./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/bary_diverge.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/bary_diverge.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:25:13,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:25:13,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:25:13,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:25:13,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:25:13,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:25:13,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:25:13,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:25:13,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:25:13,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:25:13,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:25:13,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:25:13,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:25:13,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:25:13,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:25:13,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:25:13,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:25:13,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:25:13,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:25:13,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:25:13,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:25:13,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:25:13,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:25:13,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:25:13,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:25:13,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:25:13,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:25:13,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:13,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:25:13,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:25:13,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:25:13,773 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:25:13,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:25:13,773 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_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 [2024-11-13 23:25:14,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:25:14,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:25:14,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:25:14,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:25:14,209 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:25:14,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/bary_diverge.c Unable to find full path for "g++" [2024-11-13 23:25:16,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:25:16,569 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:25:16,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/sv-benchmarks/c/float-benchs/bary_diverge.c [2024-11-13 23:25:16,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/data/d0340a468/f5f9f8efa8a249e6b3ba31b0a1a8a6bf/FLAGc7f227b88 [2024-11-13 23:25:16,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/data/d0340a468/f5f9f8efa8a249e6b3ba31b0a1a8a6bf [2024-11-13 23:25:16,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:25:16,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:25:16,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:16,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:25:16,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:25:16,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16312a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16, skipping insertion in model container [2024-11-13 23:25:16,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:25:16,772 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_271e6a77-2729-4550-981e-2edeee2189fd/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2024-11-13 23:25:16,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:16,814 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:25:16,827 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_271e6a77-2729-4550-981e-2edeee2189fd/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2024-11-13 23:25:16,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:16,852 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:25:16,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16 WrapperNode [2024-11-13 23:25:16,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:16,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:16,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:25:16,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:25:16,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,886 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 68 [2024-11-13 23:25:16,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:16,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:25:16,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:25:16,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:25:16,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:25:16,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:25:16,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:25:16,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:25:16,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:16" (1/1) ... [2024-11-13 23:25:16,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:16,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:25:16,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:25:16,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:25:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:25:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2024-11-13 23:25:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2024-11-13 23:25:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:25:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:25:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:25:17,093 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:25:17,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:25:17,271 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 23:25:17,271 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:25:17,367 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:25:17,368 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:25:17,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:17 BoogieIcfgContainer [2024-11-13 23:25:17,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:25:17,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:25:17,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:25:17,382 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:25:17,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:25:17,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:17,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 23:25:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 23:25:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:17,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:17,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:17,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:17,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:25:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:25:17,728 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:25:17,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:25:17 ImpRootNode [2024-11-13 23:25:17,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:25:17,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:25:17,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:25:17,755 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:25:17,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:17" (3/4) ... [2024-11-13 23:25:17,758 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:25:17,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:25:17,760 INFO L158 Benchmark]: Toolchain (without parser) took 1149.71ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 51.3MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 23:25:17,760 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:17,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.10ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:17,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.33ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:17,761 INFO L158 Benchmark]: Boogie Preprocessor took 27.73ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.5MB in the end (delta: 704.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:17,762 INFO L158 Benchmark]: RCFGBuilder took 451.82ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 65.5MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:17,762 INFO L158 Benchmark]: CodeCheck took 382.68ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 51.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:25:17,765 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 174.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:17,768 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, 19 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 14]: 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 26, overapproximation of someBinaryFLOATComparisonOperation at line 36, overapproximation of someBinaryArithmeticFLOAToperation at line 47. Possible FailurePath: [L19] BOOLEAN INIT; [L20] float C1, I; [L34] static float X,Y,Z; [L55] int i; [L57] INIT = TRUE VAL [C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L58] CALL, EXPR RANDOM_INPUT() VAL [C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -1.f && x <= 1.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -1.f && x <= 1.f) [L27] return x; [L58] RET, EXPR RANDOM_INPUT() VAL [C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L58] C1 = RANDOM_INPUT() [L59] CALL, EXPR RANDOM_INPUT() VAL [C1=2, I=0, INIT=1, X=0, Y=0, Z=0] [L24] float x; [L25] x = __VERIFIER_nondet_float() [L26] CALL assume_abort_if_not(x >= -1.f && x <= 1.f) [L12] COND FALSE !(!cond) [L26] RET assume_abort_if_not(x >= -1.f && x <= 1.f) [L27] return x; [L59] RET, EXPR RANDOM_INPUT() VAL [C1=2, I=0, INIT=1, X=0, Y=0, Z=0] [L59] I = RANDOM_INPUT() [L61] i = 0 VAL [C1=2, I=3, INIT=1, X=0, Y=0, Z=0, i=0] [L61] COND TRUE i < 3600000 [L62] CALL bary() [L36] COND FALSE !(C1 > 0.f) [L41] COND TRUE INIT == TRUE [L42] X = I [L43] Y = I [L44] Z = I [L50] CALL __VERIFIER_assert(X >= -5.f && X <= 5.f) [L14] COND TRUE !(cond) VAL [C1=2, I=3, INIT=1, X=3, Y=3, Z=3] [L14] reach_error() VAL [C1=2, I=3, INIT=1, X=3, Y=3, Z=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.10ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.33ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.73ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.5MB in the end (delta: 704.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 451.82ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 65.5MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 382.68ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 51.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 174.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:25:17,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/bary_diverge.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:25:20,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:25:20,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:25:20,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:25:20,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:25:20,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:25:20,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:25:20,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:25:20,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:25:20,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:25:20,634 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:25:20,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:25:20,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:25:20,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:25:20,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:25:20,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:25:20,635 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:25:20,635 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:25:20,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:25:20,636 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:25:20,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:25:20,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:25:20,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:25:20,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:25:20,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:25:20,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:25:20,637 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:20,637 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:25:20,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:25:20,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:20,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:25:20,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:25:20,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:25:20,638 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:25:20,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:20,638 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:25:20,638 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_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 [2024-11-13 23:25:21,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:25:21,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:25:21,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:25:21,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:25:21,104 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:25:21,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/bary_diverge.c Unable to find full path for "g++" [2024-11-13 23:25:23,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:25:23,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:25:23,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/sv-benchmarks/c/float-benchs/bary_diverge.c [2024-11-13 23:25:23,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/data/2937bfc41/9ea3c19d50e04157baa3fc16cf69e1ab/FLAGda4a9147b [2024-11-13 23:25:23,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/data/2937bfc41/9ea3c19d50e04157baa3fc16cf69e1ab [2024-11-13 23:25:23,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:25:23,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:25:23,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:23,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:25:23,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:25:23,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:23" (1/1) ... [2024-11-13 23:25:23,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb118cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:23, skipping insertion in model container [2024-11-13 23:25:23,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:23" (1/1) ... [2024-11-13 23:25:23,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:25:24,040 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_271e6a77-2729-4550-981e-2edeee2189fd/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2024-11-13 23:25:24,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:24,097 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:25:24,113 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_271e6a77-2729-4550-981e-2edeee2189fd/sv-benchmarks/c/float-benchs/bary_diverge.c[632,645] [2024-11-13 23:25:24,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:24,147 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:25:24,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24 WrapperNode [2024-11-13 23:25:24,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:24,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:24,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:25:24,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:25:24,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,187 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 69 [2024-11-13 23:25:24,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:24,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:25:24,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:25:24,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:25:24,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:25:24,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:25:24,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:25:24,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:25:24,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:24" (1/1) ... [2024-11-13 23:25:24,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:24,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:25:24,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:25:24,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:25:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:25:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2024-11-13 23:25:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2024-11-13 23:25:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:25:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:25:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:25:24,457 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:25:24,460 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:25:31,228 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 23:25:31,228 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:25:31,336 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:25:31,336 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:25:31,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:31 BoogieIcfgContainer [2024-11-13 23:25:31,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:25:31,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:25:31,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:25:31,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:25:31,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:31" (1/1) ... [2024-11-13 23:25:31,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:25:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:31,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 23:25:31,412 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 23:25:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:31,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:31,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:31,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:31,422 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:31,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:25:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:32,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:32,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:32,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:33,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:25:40,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:46,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:25:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:46,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:46,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:46,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:46,590 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:46,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:25:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:47,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:47,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:47,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:47,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:25:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:47,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:47,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:47,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:47,922 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:47,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:25:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:48,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:48,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:48,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:49,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:25:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:49,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:49,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:49,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:49,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:49,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:25:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:49,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:49,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:49,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:50,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:50,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:25:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:50,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:50,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:50,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:50,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:50,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:25:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:50,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:50,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:50,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:51,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:51,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:51,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:51,244 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:51,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:25:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:52,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:52,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:52,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:52,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 23:25:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:52,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:52,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:52,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:52,456 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:52,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:25:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:53,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:53,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:53,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:53,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:53,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:53,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:53,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:53,339 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:53,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:25:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:53,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:53,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:53,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:54,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:54,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:54,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:54,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:54,179 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:54,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:25:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:54,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:54,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:54,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:55,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 23:25:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:55,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:55,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:55,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:55,127 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:55,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:25:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:55,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:55,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:55,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:55,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 23:25:55,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:55,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:55,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:55,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:55,949 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:55,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:25:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:56,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:56,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:56,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:56,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 23:25:56,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:56,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:56,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:56,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:56,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:56,849 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:56,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:25:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:57,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:57,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:57,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:57,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:57,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:57,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:57,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:57,814 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:57,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:25:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:58,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:58,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:58,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:58,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 23:25:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:58,630 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:58,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:58,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:58,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:58,635 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:58,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:25:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:59,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:59,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:25:59,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:59,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 23:25:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:25:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:25:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:59,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:59,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:59,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:59,423 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:59,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:26:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:00,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:00,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:00,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:00,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:00,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:00,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:00,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:00,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:00,260 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:00,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:26:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:00,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:01,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:01,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:01,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 23:26:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:01,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:01,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:01,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:01,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:01,179 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:01,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:26:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:01,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:01,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:01,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:02,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 23:26:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:02,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:02,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:02,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:02,022 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:02,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:26:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:02,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:02,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:02,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:02,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 23:26:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:02,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:02,838 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:02,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:02,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:02,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:02,842 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:02,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:26:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:03,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:03,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:03,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:03,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 23:26:03,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:03,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:03,834 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:03,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:03,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:03,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:03,841 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:03,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:26:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:04,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:04,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:04,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:04,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:04,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 23:26:04,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:04,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:04,782 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:04,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:04,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:04,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:04,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:04,789 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:04,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:26:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:05,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:05,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:05,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:05,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 23:26:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:05,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:05,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:05,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:05,825 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:05,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:26:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:06,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:06,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:06,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:06,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 23:26:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:06,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:06,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:06,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:06,736 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:06,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:26:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:07,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:07,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:07,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:07,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 23:26:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:07,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:07,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:07,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:07,709 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:07,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:26:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:08,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:08,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:08,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:08,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:08,679 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:08,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:08,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:08,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:08,685 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:08,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:26:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:09,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:09,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:09,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:09,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:09,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 23:26:09,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:09,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:09,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:09,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:09,701 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:09,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:26:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:10,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:10,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:10,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:10,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 23:26:10,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:10,564 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:10,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:10,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:10,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:10,566 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:10,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:26:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:11,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:11,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:11,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:11,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:11,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 23:26:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:11,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:11,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:11,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:11,364 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:11,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:26:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:11,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:11,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:11,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:12,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 23:26:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:12,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:12,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:12,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:12,125 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:12,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:26:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:12,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:12,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:12,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:12,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 23:26:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:12,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:12,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:12,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:12,881 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:12,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 23:26:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:13,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:13,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:13,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:13,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 23:26:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:13,596 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:13,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:13,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:13,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:13,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:13,600 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:13,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 23:26:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:14,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:14,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:14,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:14,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 23:26:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:14,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:14,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:14,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:14,343 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:14,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 23:26:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:14,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:14,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:14,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:15,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 23:26:15,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:15,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:15,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:15,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:15,090 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:15,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 23:26:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:15,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:15,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:15,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:15,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:15,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:15,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:15,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:15,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:15,864 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:15,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 23:26:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:16,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:16,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:16,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:16,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 23:26:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:16,788 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:16,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:16,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:16,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:16,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:16,791 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:16,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 23:26:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:17,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:17,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:17,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:17,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 23:26:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:17,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:17,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:17,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:17,729 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:17,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 23:26:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:18,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:18,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:18,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:18,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 23:26:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:18,661 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:18,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:18,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:18,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:18,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:18,664 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:18,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 23:26:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:19,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:19,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:19,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:19,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 23:26:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:19,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:19,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:19,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:19,740 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:19,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 23:26:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:20,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:20,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:20,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:20,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 23:26:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:20,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:20,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:20,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:20,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:20,656 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:20,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 23:26:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:21,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:21,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:21,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:21,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:21,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 23:26:21,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:21,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:21,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:21,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:21,568 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:21,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 23:26:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:22,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:22,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:22,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:22,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:22,489 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:22,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:22,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:22,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:22,493 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:22,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 23:26:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:23,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:23,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:23,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:23,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 23:26:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:23,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:23,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:23,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:23,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:23,562 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:23,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 23:26:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:24,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:24,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:24,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:24,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 23:26:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:24,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:24,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:24,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:24,795 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:24,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 23:26:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:25,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:25,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:25,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:25,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 23:26:25,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:25,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:25,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:25,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:25,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:25,887 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:25,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 23:26:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:26,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:26,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:26,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:26,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:26,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:26,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:26,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:26,939 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:26,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 23:26:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:27,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:27,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:27,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:27,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:27,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:27,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:27,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:27,996 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:27,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 23:26:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:28,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:28,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:28,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:29,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:29,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 23:26:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:29,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:29,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:29,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:29,109 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:29,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 23:26:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:30,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:30,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:30,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:30,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:30,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:30,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:30,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:30,317 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:30,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 23:26:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:31,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:31,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:31,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:31,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:31,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:31,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:31,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:31,335 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:31,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 23:26:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:32,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:32,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:32,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:32,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 23:26:32,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:32,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:32,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:32,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:32,341 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:32,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 23:26:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:33,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:33,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:33,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:33,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:33,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:33,435 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:33,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:33,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:33,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:33,440 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:33,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 23:26:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:34,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:34,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:34,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:34,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 23:26:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:34,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:34,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:34,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:34,561 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:34,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 23:26:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:35,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:35,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:35,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:35,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 23:26:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:35,658 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:35,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:35,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:35,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:35,660 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:35,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 23:26:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:36,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:36,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:36,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:36,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:36,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 23:26:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:36,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:36,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:36,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:36,758 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:36,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 23:26:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:37,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:37,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:37,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:37,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 23:26:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:37,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:37,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:37,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:37,853 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:37,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 23:26:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:38,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:38,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:38,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:38,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 23:26:38,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:38,851 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:38,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:38,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:38,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:38,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:38,856 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:38,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 23:26:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:39,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:39,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:39,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:40,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 23:26:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:40,122 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:40,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:40,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:40,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:40,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:40,126 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:40,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 23:26:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:41,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:41,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:41,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:41,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 23:26:41,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:41,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:41,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:41,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:41,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:41,324 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:41,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 23:26:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:42,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:42,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:42,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:42,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-13 23:26:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:42,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:42,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:42,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:42,660 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:42,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 23:26:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:43,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:43,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:43,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:43,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 23:26:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:43,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:43,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:43,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:43,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:43,751 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:43,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 23:26:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:44,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:44,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:44,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:44,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-13 23:26:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:44,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:44,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:44,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:44,783 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:44,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 23:26:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:45,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:45,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:45,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:45,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:45,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:45,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:45,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:45,880 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:45,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 23:26:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:46,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:46,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:46,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:46,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:46,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-13 23:26:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:47,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:47,004 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:47,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:47,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:47,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:47,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:47,007 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:47,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 23:26:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:47,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:47,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:47,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:48,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 23:26:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:48,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:48,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:48,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:48,090 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:48,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 23:26:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:48,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:48,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:48,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:49,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-13 23:26:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:49,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:49,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:49,103 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:49,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 23:26:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:49,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:50,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:50,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:50,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:50,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:50,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:50,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:50,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:50,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:50,167 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:50,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 23:26:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:51,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:51,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:51,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:51,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-13 23:26:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:51,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:51,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:51,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:51,178 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:51,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 23:26:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:52,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:52,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:52,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:52,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:52,220 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:52,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:52,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:52,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:52,223 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:52,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 23:26:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:53,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:53,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:53,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:53,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:53,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:53,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:53,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:53,361 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:53,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 23:26:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:54,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:54,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:54,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:54,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-13 23:26:54,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:54,365 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:54,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:54,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:54,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:54,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:54,367 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:54,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 23:26:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:55,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:55,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:55,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:55,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:55,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:55,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:55,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:55,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:55,402 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:55,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 23:26:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:56,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:56,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:56,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:56,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:56,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:56,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:56,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:56,441 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:56,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 23:26:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:57,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:57,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:57,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:57,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:57,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:57,456 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:57,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:57,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:57,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:57,459 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:57,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 23:26:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:58,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:58,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:58,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:58,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-13 23:26:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:58,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:58,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:58,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:58,498 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:58,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 23:26:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:59,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:59,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:26:59,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:59,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:26:59,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-13 23:26:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:59,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:26:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:26:59,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:26:59,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:59,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:59,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:59,587 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:59,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 23:27:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:00,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:00,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:00,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:00,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:00,771 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:00,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:00,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:00,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:00,776 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:00,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 23:27:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:01,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:01,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:01,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:01,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-13 23:27:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:01,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:01,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:01,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:01,972 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:01,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 23:27:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:02,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:02,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:02,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:03,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:03,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:03,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:03,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:03,033 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:03,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 23:27:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:03,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:03,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:03,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:04,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-13 23:27:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:04,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:04,098 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:04,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:04,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:04,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:04,101 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:04,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 23:27:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:04,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:04,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:04,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:05,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-13 23:27:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:05,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:05,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:05,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:05,149 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:05,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 23:27:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:06,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:06,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:06,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:06,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-13 23:27:06,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:06,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:06,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:06,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:06,212 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:06,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 23:27:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:07,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:07,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:07,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:07,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:07,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-13 23:27:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:07,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:07,266 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:07,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:07,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:07,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:07,268 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:07,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 23:27:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:08,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:08,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:08,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:08,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-13 23:27:08,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:08,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:08,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:08,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:08,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:08,267 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:08,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 23:27:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:09,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:09,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:09,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:09,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-13 23:27:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:09,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:09,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:09,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:09,252 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:09,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 23:27:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:09,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:09,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:09,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:10,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:10,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:10,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:10,101 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:10,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:10,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:10,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:10,103 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:10,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 23:27:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:10,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:10,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:10,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:11,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-13 23:27:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:11,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:11,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:11,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:11,122 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:11,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 23:27:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:11,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:11,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:11,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:11,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-13 23:27:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:11,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:11,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:11,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:11,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:11,865 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:11,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 23:27:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:12,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:12,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:12,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:12,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-13 23:27:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:12,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:12,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:12,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:12,602 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:12,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-13 23:27:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:13,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:13,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:13,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:13,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-13 23:27:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:13,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:13,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:13,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:13,404 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:13,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-13 23:27:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:14,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:14,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:14,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:14,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:14,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-13 23:27:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:14,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:14,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:14,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:14,167 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:14,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-13 23:27:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:14,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:14,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:14,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:14,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-13 23:27:14,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:14,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:14,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:14,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:14,974 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:14,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-13 23:27:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:15,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:15,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:15,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:15,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-13 23:27:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:15,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:15,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:15,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:15,703 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:15,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-13 23:27:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:16,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:16,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:16,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:16,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:16,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-13 23:27:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:16,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:16,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:16,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:16,436 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:16,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-13 23:27:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:17,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:17,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:17,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:17,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:17,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:17,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:17,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:17,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:17,238 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:17,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-13 23:27:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:17,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:17,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:17,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:17,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-13 23:27:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:17,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:17,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:17,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:17,974 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:17,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-13 23:27:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:18,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:18,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:18,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:18,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:18,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:18,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:18,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:18,728 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:18,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-13 23:27:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:19,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:19,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:19,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:19,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-13 23:27:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:19,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:19,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:19,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:19,568 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:19,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-13 23:27:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:20,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:20,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:20,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:20,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-13 23:27:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:20,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:20,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:20,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:20,670 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:20,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-13 23:27:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:21,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:21,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:21,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:21,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-13 23:27:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:21,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:21,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:21,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:21,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:21,543 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:21,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-13 23:27:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:22,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:22,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:22,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:22,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-13 23:27:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:22,364 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:22,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:22,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:22,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:22,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:22,368 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:22,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-13 23:27:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:23,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:23,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:23,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:23,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-13 23:27:23,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:23,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:23,192 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:23,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:23,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:23,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:23,194 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:23,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-13 23:27:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:23,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:23,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:23,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:24,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-13 23:27:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:24,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:24,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:24,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:24,021 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:24,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-13 23:27:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:24,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:24,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:24,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:24,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-13 23:27:24,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:24,858 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:24,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:24,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:24,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:24,860 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:24,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-13 23:27:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:25,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:25,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:25,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-13 23:27:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:25,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:25,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:25,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:25,622 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:25,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-13 23:27:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:26,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:26,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:26,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:26,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-13 23:27:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:26,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:26,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:26,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:26,433 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:26,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-13 23:27:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:27,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:27,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:27,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:27,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:27,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:27,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:27,292 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:27,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-13 23:27:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:28,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:28,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-13 23:27:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:28,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:28,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:28,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:28,141 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:28,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-13 23:27:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:28,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:28,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-13 23:27:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:28,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:28,984 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:28,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:28,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:28,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:28,988 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:28,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-13 23:27:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:29,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:29,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:29,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:29,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:29,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:29,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:29,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:29,977 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:29,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-13 23:27:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:30,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:30,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:30,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:30,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:30,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:30,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:30,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:30,819 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:30,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-13 23:27:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:31,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:31,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-13 23:27:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:31,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:31,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:31,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:31,623 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:31,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-13 23:27:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:32,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:32,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:32,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:32,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:32,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-13 23:27:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:32,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:32,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:32,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:32,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:32,725 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:32,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-13 23:27:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:33,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:33,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:33,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:33,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-13 23:27:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:33,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:33,723 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:33,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:33,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:33,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:33,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:33,725 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:33,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-13 23:27:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:34,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:34,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:34,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:34,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:34,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:34,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:34,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:34,563 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:34,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-13 23:27:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:35,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:35,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:35,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:35,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:35,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:35,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:35,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:35,395 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:35,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-13 23:27:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:36,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:36,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:36,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:36,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:36,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:36,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:36,238 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:36,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-13 23:27:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:36,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:36,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:37,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-13 23:27:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:37,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:37,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:37,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:37,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:37,083 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:37,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-13 23:27:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:37,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:37,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:37,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:37,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:37,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:37,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:37,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:37,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:37,907 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:37,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-13 23:27:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:38,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:38,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:38,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:38,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-13 23:27:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:38,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:38,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:38,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:38,669 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:38,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-13 23:27:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:39,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:39,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:39,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:39,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:39,519 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:39,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:39,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:39,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:39,523 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:39,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-13 23:27:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:40,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:40,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:40,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:40,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:40,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:40,362 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:40,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:40,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:40,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:40,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:40,364 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:40,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-13 23:27:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:41,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:41,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:41,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:41,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:41,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-13 23:27:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:41,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:41,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:41,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:41,194 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:41,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-13 23:27:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:41,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:41,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:41,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:41,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:42,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:42,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:42,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:42,003 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:42,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-13 23:27:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:42,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:42,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:42,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:42,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:42,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:42,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:42,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:42,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:42,819 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:42,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-13 23:27:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:43,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:43,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:43,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:43,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-13 23:27:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:43,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:43,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:43,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:43,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:43,648 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:43,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-13 23:27:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:44,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:44,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:44,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:44,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-13 23:27:44,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:44,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:44,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:44,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:44,469 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:44,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-13 23:27:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:45,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:45,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:45,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:45,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:45,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:45,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:45,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:45,315 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:45,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-13 23:27:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:46,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:46,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:46,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:46,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-13 23:27:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:46,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:46,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:46,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:46,162 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:46,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-13 23:27:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:46,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:46,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:46,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:47,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:47,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:47,031 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:47,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-13 23:27:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:47,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:47,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:47,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:47,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-13 23:27:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:47,886 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:47,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:47,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:47,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:47,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:47,888 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:47,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-13 23:27:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:48,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:48,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:48,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:48,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-13 23:27:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:48,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:48,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:48,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:48,753 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:48,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-13 23:27:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:49,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:49,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:49,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:49,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-13 23:27:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:49,697 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:49,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:49,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:49,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:49,701 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:49,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-13 23:27:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:50,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:50,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:50,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:50,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:50,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:50,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:50,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:50,558 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:50,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-13 23:27:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:51,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:51,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:51,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:51,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:51,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:51,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:51,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:51,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:51,417 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:51,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-13 23:27:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:52,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:52,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:52,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:52,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-13 23:27:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:52,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:52,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:52,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:52,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:52,301 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:52,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-13 23:27:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:53,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:53,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-13 23:27:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:53,171 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:53,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:53,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:53,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:53,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:53,175 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:53,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-13 23:27:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:53,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:54,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-13 23:27:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:54,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:54,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:54,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:54,040 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:54,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-13 23:27:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:54,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:54,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:54,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:54,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-13 23:27:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:54,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:54,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:54,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:54,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:54,915 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:54,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-13 23:27:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:55,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:55,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:55,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:55,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:55,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:55,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:55,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:55,783 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:55,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-13 23:27:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:56,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:56,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:56,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:56,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-13 23:27:56,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:56,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:56,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:56,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:56,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:56,623 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:56,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-13 23:27:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:57,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:57,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:57,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:57,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-13 23:27:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:57,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:57,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:57,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:57,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:57,513 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:57,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-13 23:27:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:58,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:58,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:58,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:58,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-13 23:27:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:58,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:58,357 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:58,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:58,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:58,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:58,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:58,358 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:58,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-13 23:27:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:59,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:59,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:27:59,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:27:59,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-13 23:27:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:27:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:27:59,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:27:59,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:59,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:59,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:59,231 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:59,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-13 23:28:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:00,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:00,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:00,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:00,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-13 23:28:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:00,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:00,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:00,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:00,204 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:00,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-13 23:28:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:00,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:00,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:00,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:01,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-13 23:28:01,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:01,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:01,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:01,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:01,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:01,064 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:01,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-13 23:28:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:01,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:01,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:01,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:01,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-13 23:28:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:01,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:01,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:01,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:01,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:01,919 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:01,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-13 23:28:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:02,645 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:02,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:02,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:02,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-13 23:28:02,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:02,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:02,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:02,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:02,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:02,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:02,780 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:02,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-13 23:28:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:03,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:03,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:03,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:03,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-13 23:28:03,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:03,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:03,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:03,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:03,645 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:03,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-13 23:28:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:04,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:04,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:04,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:04,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:04,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-13 23:28:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:04,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:04,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:04,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:04,575 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:04,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-13 23:28:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:05,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:05,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:05,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:05,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-13 23:28:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:05,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:05,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:05,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:05,427 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:05,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-13 23:28:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:06,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:06,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:06,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:06,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-13 23:28:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:06,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:06,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:06,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:06,274 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:06,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-13 23:28:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:07,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:07,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:07,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:07,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-13 23:28:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:07,140 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:07,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:07,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:07,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:07,145 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:07,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-13 23:28:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:07,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:07,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:07,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:07,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-13 23:28:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:08,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:08,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:08,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:08,001 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:08,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-13 23:28:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:08,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:08,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:08,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:08,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-13 23:28:08,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:08,853 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:08,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:08,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:08,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:08,855 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:08,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-13 23:28:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:09,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:09,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:09,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:09,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-13 23:28:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:09,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:09,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:09,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:09,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:09,860 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:09,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-13 23:28:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:10,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:10,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:10,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:10,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-13 23:28:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:10,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:10,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:10,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:10,727 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:10,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-13 23:28:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:11,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:11,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:11,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:11,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-13 23:28:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:11,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:11,646 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:11,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:11,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:11,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:11,650 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:11,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-13 23:28:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:12,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:12,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:12,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:12,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-13 23:28:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:12,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:12,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:12,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:12,523 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:12,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-13 23:28:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:13,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:13,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:13,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:13,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-13 23:28:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:13,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:13,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:13,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:13,385 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:13,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-13 23:28:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:14,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:14,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:14,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:14,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-13 23:28:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:14,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:14,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:14,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:14,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:14,249 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:14,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-13 23:28:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:14,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:14,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:14,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:15,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-13 23:28:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:15,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:15,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:15,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:15,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:15,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:15,105 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-13 23:28:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:15,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:15,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:15,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:15,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-13 23:28:15,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:15,964 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:15,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:15,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:15,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:15,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:15,966 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:15,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-13 23:28:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:16,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:16,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:16,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:16,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-13 23:28:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:16,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:16,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:16,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:16,828 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:16,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-13 23:28:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:17,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:17,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:17,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:17,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:17,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:17,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:17,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:17,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:17,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:17,710 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:17,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-13 23:28:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:18,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:18,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:18,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:18,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-13 23:28:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:18,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:18,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:18,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:18,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:18,578 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:18,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-13 23:28:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:19,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:19,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:19,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:19,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-13 23:28:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:19,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:19,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:19,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:19,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:19,452 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:19,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-13 23:28:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:20,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:20,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:20,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:20,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:20,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:20,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:20,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:20,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:20,341 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:20,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-13 23:28:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:21,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:21,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:21,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:21,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-13 23:28:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:21,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:21,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:21,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:21,190 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:21,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-13 23:28:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:21,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:21,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:21,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:22,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-13 23:28:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:22,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:22,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:22,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:22,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:22,111 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:22,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-13 23:28:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:22,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:22,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:22,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:22,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-13 23:28:22,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:22,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:22,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:22,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:22,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:22,980 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:22,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-13 23:28:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:23,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:23,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:23,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:23,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-13 23:28:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:23,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:23,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:23,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:23,850 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:23,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-13 23:28:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:24,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:24,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:24,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:24,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-13 23:28:24,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:24,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:24,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:24,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:24,711 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:24,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-13 23:28:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:25,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:25,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:25,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:25,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-13 23:28:25,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:25,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:25,583 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:25,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:25,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:25,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:25,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:25,585 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:25,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-13 23:28:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:26,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:26,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:26,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:26,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-13 23:28:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:26,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:26,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:26,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:26,435 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:26,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-13 23:28:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:27,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:27,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:27,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:27,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-13 23:28:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:27,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:27,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:27,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:27,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:27,307 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:27,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-13 23:28:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:28,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:28,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-13 23:28:28,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:28,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:28,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:28,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:28,173 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:28,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-13 23:28:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:28,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:29,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-13 23:28:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:29,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:29,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:29,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:29,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:29,032 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:29,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-13 23:28:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:29,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:29,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:29,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:29,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-13 23:28:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:29,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:29,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:29,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:29,957 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:29,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-13 23:28:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:30,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:30,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:30,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:30,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-13 23:28:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:30,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:30,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:30,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:30,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:30,821 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:30,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-13 23:28:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:31,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:31,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:31,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:31,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:31,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:31,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:31,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:31,684 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:31,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-13 23:28:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:32,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:32,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:32,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:32,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-13 23:28:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:32,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:32,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:32,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:32,547 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:32,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-13 23:28:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:33,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:33,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:33,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:33,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-13 23:28:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:33,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:33,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:33,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:33,415 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:33,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-13 23:28:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:34,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:34,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:34,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:34,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-13 23:28:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:34,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:34,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:34,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:34,260 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:34,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-13 23:28:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:34,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:34,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:34,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:35,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-13 23:28:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:35,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:35,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:35,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:35,099 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:35,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-13 23:28:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:35,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:35,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:35,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:35,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-13 23:28:35,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:35,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:35,966 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:35,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:35,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:35,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:35,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:35,968 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:35,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-13 23:28:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:36,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:36,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:36,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:36,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:36,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-13 23:28:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:36,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:36,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:36,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:36,825 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:36,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-13 23:28:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:37,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:37,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:37,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:37,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-13 23:28:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:37,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:37,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:37,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:37,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:37,716 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:37,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-13 23:28:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:38,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:38,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:38,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:38,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-13 23:28:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:38,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:38,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:38,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:38,567 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:38,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-13 23:28:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:39,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:39,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:39,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:39,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-13 23:28:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:39,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:39,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:39,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:39,436 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:39,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-13 23:28:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:40,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:40,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:40,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:40,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-13 23:28:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:40,395 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:40,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:40,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:40,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:40,397 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:40,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-13 23:28:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:41,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:41,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:41,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:41,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-13 23:28:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:41,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:41,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:41,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:41,236 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:41,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-13 23:28:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:41,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:41,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:41,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:42,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-13 23:28:42,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:42,115 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:42,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:42,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:42,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:42,119 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:42,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-13 23:28:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:42,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:42,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:42,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:42,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:42,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:42,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:42,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:42,993 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:42,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-13 23:28:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:43,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:43,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:43,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:43,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-13 23:28:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:43,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:43,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:43,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:43,871 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:43,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-13 23:28:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:44,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:44,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:44,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:44,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-13 23:28:44,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:44,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:44,722 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:44,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:44,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:44,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:44,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:44,724 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:44,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-13 23:28:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:45,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:45,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:45,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:45,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:45,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-13 23:28:45,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:45,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:45,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:45,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:45,569 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:45,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-13 23:28:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:46,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:46,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:46,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:46,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-13 23:28:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:46,404 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:46,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:46,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:46,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:46,405 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:46,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-13 23:28:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:47,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:47,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:47,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:47,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-13 23:28:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:47,269 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:47,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:47,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:47,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:47,271 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:47,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-13 23:28:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:47,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:48,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:48,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-13 23:28:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:48,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:48,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:48,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:48,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:48,125 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:48,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-13 23:28:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:48,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:48,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-13 23:28:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:48,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:48,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:48,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:48,975 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:48,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-13 23:28:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:49,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:49,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:49,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:50,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-13 23:28:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:50,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:50,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:50,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:50,033 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:50,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-13 23:28:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:50,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:50,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:50,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:50,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-13 23:28:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:50,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:50,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:50,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:50,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:50,875 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:50,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-13 23:28:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:51,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:51,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:51,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:51,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-13 23:28:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:51,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:51,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:51,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:51,729 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:51,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-13 23:28:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:52,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:52,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:52,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:52,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-13 23:28:52,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:52,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:52,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:52,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:52,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:52,619 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:52,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-13 23:28:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:53,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:53,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:53,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:53,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-13 23:28:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:53,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:53,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:53,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:53,496 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:53,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-13 23:28:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:54,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:54,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:54,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:54,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-13 23:28:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:54,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:54,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:54,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:54,374 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:54,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-13 23:28:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:55,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:55,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:55,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:55,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-13 23:28:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:55,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:55,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:55,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:55,221 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:55,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-13 23:28:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:55,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:55,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:55,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:56,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-13 23:28:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:56,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:56,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:56,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:56,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:56,063 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:56,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-13 23:28:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:56,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:56,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:56,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:56,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-13 23:28:56,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:56,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:56,991 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:56,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:56,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:56,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:56,995 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:56,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-13 23:28:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:57,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:57,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:57,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:57,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-13 23:28:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:57,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:57,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:57,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:57,874 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:57,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-13 23:28:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:58,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:58,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:58,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:58,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-13 23:28:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:58,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:58,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:58,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:58,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:58,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:58,724 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:58,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-13 23:28:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:59,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:59,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:28:59,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:59,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:28:59,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:59,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:28:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:28:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:28:59,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:59,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:59,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:59,653 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:59,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-13 23:29:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:00,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:00,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:00,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:00,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-13 23:29:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:00,510 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:00,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:00,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:00,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:00,512 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:00,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-13 23:29:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:01,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:01,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:01,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:01,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-13 23:29:01,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:01,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:01,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:01,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:01,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:01,373 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:01,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-13 23:29:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:02,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:02,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:02,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:02,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:02,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-13 23:29:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:02,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:02,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:02,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:02,249 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:02,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-13 23:29:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:02,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:02,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:02,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:03,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-13 23:29:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:03,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:03,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:03,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:03,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:03,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:03,113 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:03,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-13 23:29:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:03,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:03,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:03,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:03,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-13 23:29:03,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:03,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:03,964 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:03,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:03,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:03,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:03,966 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:03,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-13 23:29:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:04,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:04,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:04,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:04,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:04,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-13 23:29:04,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:04,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:04,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:04,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:04,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:04,813 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:04,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-13 23:29:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:05,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:05,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:05,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:05,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-13 23:29:05,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:05,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:05,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:05,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:05,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:05,681 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:05,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-13 23:29:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:06,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:06,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:06,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:06,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-13 23:29:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:06,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:06,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:06,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:06,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:06,553 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:06,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-13 23:29:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:07,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:07,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:07,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:07,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:07,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:07,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:07,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:07,425 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:07,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-13 23:29:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:08,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:08,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:08,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:08,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-13 23:29:08,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:08,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:08,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:08,275 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:08,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-13 23:29:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:09,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:09,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-13 23:29:09,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:09,138 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:09,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:09,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:09,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:09,140 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:09,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-13 23:29:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:09,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:09,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:10,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-13 23:29:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:10,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:10,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:10,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:10,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:10,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:10,063 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:10,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-13 23:29:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:10,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:10,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:10,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:10,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:10,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:10,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:10,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:10,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:10,986 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:10,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-13 23:29:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:11,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:11,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:11,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:11,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-13 23:29:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:11,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:11,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:11,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:11,967 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:11,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-13 23:29:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:12,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:12,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:12,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-13 23:29:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:12,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:12,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:12,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:12,820 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:12,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-13 23:29:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:13,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:13,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:13,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:13,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-13 23:29:13,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:13,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:13,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:13,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:13,676 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:13,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-13 23:29:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:14,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:14,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:14,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:14,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-13 23:29:14,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:14,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:14,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:14,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:14,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:14,561 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:14,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-13 23:29:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:15,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:15,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:15,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:15,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-13 23:29:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:15,424 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:15,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:15,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:15,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:15,426 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:15,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-13 23:29:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:16,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:16,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:16,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:16,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-13 23:29:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:16,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:16,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:16,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:16,278 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:16,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-13 23:29:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:17,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:17,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-13 23:29:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:17,213 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:17,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:17,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:17,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:17,217 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:17,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-13 23:29:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:17,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:17,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:18,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:18,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-13 23:29:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:18,102 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:18,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:18,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:18,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:18,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:18,104 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:18,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-13 23:29:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:18,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:18,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:18,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:18,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-13 23:29:18,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:18,979 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:18,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:18,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:18,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:18,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:18,982 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:18,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-13 23:29:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:19,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:19,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:19,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:19,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-13 23:29:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:19,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:19,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:19,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:19,913 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:19,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-13 23:29:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:20,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:20,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:20,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:20,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:20,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:20,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:20,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:20,818 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:20,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-13 23:29:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:21,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:21,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:21,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:21,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-13 23:29:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:21,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:21,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:21,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:21,692 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:21,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-13 23:29:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:22,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:22,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:22,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:22,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-13 23:29:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:22,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:22,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:22,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:22,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:22,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:22,572 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:22,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-13 23:29:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:23,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:23,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:23,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:23,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-13 23:29:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:23,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:23,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:23,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:23,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:23,439 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:23,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-13 23:29:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:24,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:24,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:24,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:24,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-13 23:29:24,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:24,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:24,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:24,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:24,329 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:24,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-13 23:29:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:25,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:25,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-13 23:29:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:25,220 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:25,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:25,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:25,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:25,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:25,222 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:25,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-13 23:29:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:25,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:25,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:26,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-13 23:29:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:26,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:26,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:26,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:26,099 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:26,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-13 23:29:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:26,842 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:26,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:26,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:26,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:26,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-13 23:29:26,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:26,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:26,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:26,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:26,969 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:26,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-13 23:29:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:27,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:27,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-13 23:29:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:27,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:27,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:27,857 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:27,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-13 23:29:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:28,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:28,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:28,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:28,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-13 23:29:28,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:28,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:28,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:28,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:28,735 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:28,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-13 23:29:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:29,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:29,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:29,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:29,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-13 23:29:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:29,673 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:29,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:29,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:29,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:29,683 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:29,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-13 23:29:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:30,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:30,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:30,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:30,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:30,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:30,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:30,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:30,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:30,588 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:30,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-13 23:29:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:31,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:31,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:31,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:31,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-13 23:29:31,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:31,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:31,476 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:31,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:31,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:31,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:31,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:31,477 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:31,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-13 23:29:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:32,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:32,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:32,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:32,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:32,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:32,349 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:32,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:32,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:32,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:32,350 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:32,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-13 23:29:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:33,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:33,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:33,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:33,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-13 23:29:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:33,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:33,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:33,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:33,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:33,253 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:33,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-13 23:29:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:34,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:34,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:34,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:34,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-13 23:29:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:34,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:34,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:34,138 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:34,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-13 23:29:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:34,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:34,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:34,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:35,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-13 23:29:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:35,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:35,032 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:35,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:35,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:35,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:35,036 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:35,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-13 23:29:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:35,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:35,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:35,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:35,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:35,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:35,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:35,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:35,929 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:35,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-13 23:29:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:36,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:36,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:36,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:36,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-13 23:29:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:36,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:36,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:36,814 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:36,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-13 23:29:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:37,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:37,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:37,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-13 23:29:37,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:37,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:37,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:37,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:37,739 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:37,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-13 23:29:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:38,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:38,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:38,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:38,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:38,651 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:38,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:38,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:38,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:38,655 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:38,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-13 23:29:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:39,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:39,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:39,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:39,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:39,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:39,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:39,569 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:39,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:39,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:39,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:39,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:39,575 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:39,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-13 23:29:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:40,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:40,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:40,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:40,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-13 23:29:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:40,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:40,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:40,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:40,481 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:40,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-13 23:29:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:41,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:41,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:41,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:41,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-13 23:29:41,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:41,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:41,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:41,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:41,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:41,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:41,363 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:41,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-13 23:29:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:42,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:42,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:42,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:42,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-13 23:29:42,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:42,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:42,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:42,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:42,246 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:42,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-13 23:29:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:43,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:43,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-13 23:29:43,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:43,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:43,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:43,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:43,131 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:43,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-13 23:29:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:43,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:43,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:44,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:44,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-13 23:29:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:44,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:44,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:44,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:44,013 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:44,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-13 23:29:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:44,771 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:44,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:44,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:44,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-13 23:29:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:44,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:44,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:44,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:44,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:44,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:44,902 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:44,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-13 23:29:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:45,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:45,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:45,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:45,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:45,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:45,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:45,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:45,790 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:45,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:45,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:45,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:45,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:45,792 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:45,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-13 23:29:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:46,545 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:46,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:46,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:46,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-13 23:29:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:46,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:46,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:46,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:46,674 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:46,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-13 23:29:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:47,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:47,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:47,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:47,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-13 23:29:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:47,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:47,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:47,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:47,552 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:47,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-13 23:29:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:48,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:48,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:48,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:48,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-13 23:29:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:48,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:48,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:48,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:48,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:48,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:48,440 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:48,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-13 23:29:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:49,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:49,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:49,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:49,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:49,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:49,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:49,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:49,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:49,352 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:49,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-13 23:29:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:50,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:50,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:50,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:50,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-13 23:29:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:50,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:50,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:50,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:50,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:50,302 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:50,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-13 23:29:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:51,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:51,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-13 23:29:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:51,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:51,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:51,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:51,193 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:51,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-13 23:29:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:51,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:51,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:52,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-13 23:29:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:52,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:52,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:52,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:52,073 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:52,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-13 23:29:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:52,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:52,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:52,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:53,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-13 23:29:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:53,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:53,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:53,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:53,021 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:53,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-13 23:29:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:53,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:53,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:53,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:53,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-13 23:29:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:53,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:53,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:53,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:53,940 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:53,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-13 23:29:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:54,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:54,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:54,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:54,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-13 23:29:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:54,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:54,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:54,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:54,837 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:54,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-13 23:29:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:55,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:55,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:55,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:55,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-13 23:29:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:55,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:55,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:55,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:55,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:55,733 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:55,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-13 23:29:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:56,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:56,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:56,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:56,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-13 23:29:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:56,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:56,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:56,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:56,640 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:56,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-13 23:29:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:57,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:57,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:57,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:57,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-13 23:29:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:57,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:57,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:57,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:57,581 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:57,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-13 23:29:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:58,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:58,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:58,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:58,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-13 23:29:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:58,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:58,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:58,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:58,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:58,490 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:58,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-13 23:29:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:59,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:59,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:29:59,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:29:59,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-13 23:29:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:29:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:29:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:29:59,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:59,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:59,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:59,437 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:59,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-13 23:30:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:00,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:00,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:00,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:00,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-13 23:30:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:00,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:00,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:00,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:00,367 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:00,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-13 23:30:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:01,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:01,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:01,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:01,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-13 23:30:01,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:01,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:01,258 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:01,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:01,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:01,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:01,262 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:01,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-13 23:30:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:02,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:02,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:02,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:02,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-13 23:30:02,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:02,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:02,164 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:02,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:02,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:02,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:02,166 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:02,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-13 23:30:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:02,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:02,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:02,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:03,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-13 23:30:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:03,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:03,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:03,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:03,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:03,073 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:03,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-13 23:30:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:03,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:03,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:03,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:03,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-13 23:30:03,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:03,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:03,954 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:03,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:03,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:03,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:03,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:03,956 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:03,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-13 23:30:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:04,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:04,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:04,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:04,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:04,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-13 23:30:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:04,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:04,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:04,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:04,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:04,852 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:04,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-13 23:30:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:05,621 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:05,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:05,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:05,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-13 23:30:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:05,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:05,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:05,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:05,750 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:05,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-13 23:30:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:06,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:06,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:06,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:06,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-13 23:30:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:06,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:06,643 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:06,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:06,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:06,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:06,645 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:06,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-13 23:30:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:07,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:07,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:07,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:07,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-13 23:30:07,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:07,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:07,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:07,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:07,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:07,566 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:07,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-13 23:30:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:08,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:08,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:08,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:08,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-13 23:30:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:08,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:08,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:08,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:08,488 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:08,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-13 23:30:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:09,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:09,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:09,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:09,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-13 23:30:09,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:09,417 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:09,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:09,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:09,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:09,423 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:09,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-13 23:30:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:10,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:10,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:10,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:10,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-13 23:30:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:10,371 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:10,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:10,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:10,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:10,373 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:10,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-13 23:30:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:11,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:11,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:11,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:11,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-13 23:30:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:11,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:11,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:11,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:11,283 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:11,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-13 23:30:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:12,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:12,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:12,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:12,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:12,182 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:12,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:12,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:12,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:12,184 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:12,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-13 23:30:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:12,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:12,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:12,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:13,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-13 23:30:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:13,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:13,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:13,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:13,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:13,090 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:13,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-13 23:30:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:13,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:13,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:13,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:13,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-13 23:30:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:13,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:13,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:13,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:13,994 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:13,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-13 23:30:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:14,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:14,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:14,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:14,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-13 23:30:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:14,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:14,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:14,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:14,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:14,891 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:14,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-13 23:30:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:15,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:15,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:15,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:15,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-13 23:30:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:15,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:15,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:15,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:15,828 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:15,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-13 23:30:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:16,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:16,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:16,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:16,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-13 23:30:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:16,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:16,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:16,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:16,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:16,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:16,726 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:16,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-13 23:30:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:17,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:17,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:17,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:17,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:17,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:17,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:17,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:17,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:17,643 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:17,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-13 23:30:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:18,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:18,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:18,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:18,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-13 23:30:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:18,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:18,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:18,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:18,555 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:18,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-13 23:30:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:19,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:19,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:19,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:19,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-13 23:30:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:19,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:19,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:19,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:19,510 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:19,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-13 23:30:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:20,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:20,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:20,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:20,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-13 23:30:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:20,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:20,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:20,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:20,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:20,412 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:20,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-13 23:30:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:21,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:21,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:21,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:21,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-13 23:30:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:21,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:21,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:21,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:21,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:21,446 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:21,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-13 23:30:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:22,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:22,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:22,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:22,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-13 23:30:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:22,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:22,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:22,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:22,363 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:22,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-13 23:30:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:23,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:23,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:23,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:23,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-13 23:30:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:23,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:23,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:23,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:23,303 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:23,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-13 23:30:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:24,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:24,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:24,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:24,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-13 23:30:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:24,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:24,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:24,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:24,200 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:24,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-13 23:30:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:25,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:25,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:25,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:25,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-13 23:30:25,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:25,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:25,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:25,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:25,145 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:25,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-13 23:30:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:25,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:25,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:25,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:26,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:26,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-13 23:30:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:26,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:26,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:26,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:26,061 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:26,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-13 23:30:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:26,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:26,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:26,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:27,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-13 23:30:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:27,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:27,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:27,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:27,034 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:27,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-13 23:30:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:27,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:27,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:27,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:27,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-13 23:30:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:27,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:27,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:27,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:27,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:27,948 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:27,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-13 23:30:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:28,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:28,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:28,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:28,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-13 23:30:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:28,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:28,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:28,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:28,876 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:28,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-13 23:30:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:29,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:29,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:29,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:29,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-13 23:30:29,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:29,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:29,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:29,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:29,791 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:29,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-13 23:30:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:30,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:30,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:30,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:30,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-13 23:30:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:30,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:30,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:30,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:30,689 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:30,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-13 23:30:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:31,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:31,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:31,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:31,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-13 23:30:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:31,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:31,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:31,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:31,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:31,588 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:31,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-13 23:30:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:32,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:32,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:32,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:32,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-13 23:30:32,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:32,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:32,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:32,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:32,659 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:32,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-13 23:30:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:33,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:33,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:33,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:33,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-13 23:30:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:33,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:33,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:33,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:33,568 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:33,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-13 23:30:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:34,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:34,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:34,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:34,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-13 23:30:34,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:34,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:34,475 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:34,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:34,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:34,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:34,477 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:34,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-13 23:30:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:35,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:35,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:35,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:35,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-13 23:30:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:35,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:35,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:35,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:35,420 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:35,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-13 23:30:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:36,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:36,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:36,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:36,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:36,327 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:36,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:36,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:36,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:36,329 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:36,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-13 23:30:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:37,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:37,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:37,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:37,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-13 23:30:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:37,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:37,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:37,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:37,270 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:37,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-13 23:30:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:38,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:38,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:38,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:38,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-13 23:30:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:38,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:38,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:38,182 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:38,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-13 23:30:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:38,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:38,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:38,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:39,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-13 23:30:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:39,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:39,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:39,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:39,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:39,107 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:39,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-13 23:30:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:39,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:39,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:39,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:40,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-13 23:30:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:40,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:40,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:40,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:40,024 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:40,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-13 23:30:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:40,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:40,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:40,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:40,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:40,957 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:40,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:40,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:40,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:40,959 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:40,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-13 23:30:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:41,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:41,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:41,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:41,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-13 23:30:41,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:41,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:41,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:41,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:41,919 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:41,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-13 23:30:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:42,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:42,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:42,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:42,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-13 23:30:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:42,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:42,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:42,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:42,865 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:42,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-13 23:30:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:43,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:43,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:43,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:43,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-13 23:30:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:43,770 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:43,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:43,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:43,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:43,773 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:43,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-13 23:30:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:44,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:44,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:44,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:44,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-13 23:30:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:44,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:44,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:44,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:44,705 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:44,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-13 23:30:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:45,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:45,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:45,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:45,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:45,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:45,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:45,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:45,651 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:45,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-13 23:30:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:46,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:46,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:46,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:46,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-13 23:30:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:46,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:46,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:46,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:46,578 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:46,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-13 23:30:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:47,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:47,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:47,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:47,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Forceful destruction successful, exit code 0 [2024-11-13 23:30:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:47,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:47,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:47,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:47,561 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:47,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-13 23:30:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:48,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:48,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:48,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:48,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-13 23:30:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:48,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:48,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:48,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:48,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:48,514 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:48,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-13 23:30:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:49,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:49,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:49,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:49,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-13 23:30:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:49,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:49,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:49,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:49,523 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:49,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-13 23:30:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:50,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:50,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:50,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:50,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-13 23:30:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:50,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:50,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:50,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:50,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:50,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:50,448 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:50,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-13 23:30:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:51,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:51,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:51,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:51,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:51,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-13 23:30:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:51,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:51,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:51,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:51,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:51,381 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:51,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-13 23:30:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:52,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:52,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:52,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:52,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-13 23:30:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:52,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:52,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:52,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:52,409 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:52,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-13 23:30:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:53,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:53,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:53,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:53,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-13 23:30:53,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:53,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:53,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:53,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:53,410 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:53,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-13 23:30:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:54,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:54,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:54,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:54,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-13 23:30:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:54,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:54,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:54,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:54,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:54,375 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:54,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-13 23:30:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:55,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:55,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:55,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:55,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-13 23:30:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:55,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:55,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:55,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:55,360 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:55,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-13 23:30:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:56,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:56,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:56,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:56,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-13 23:30:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:56,285 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:56,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:56,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:56,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:56,287 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:56,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-13 23:30:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:57,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:57,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:57,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:57,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:57,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-13 23:30:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:57,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:57,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:57,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:57,290 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:57,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-13 23:30:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:58,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:58,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:58,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:58,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-13 23:30:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:58,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:58,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:58,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:58,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:58,201 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:58,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-13 23:30:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:59,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:59,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:59,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:30:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:30:59,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-13 23:30:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:30:59,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:30:59,140 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:30:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:30:59,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:30:59,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:30:59,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:30:59,142 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:30:59,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-13 23:30:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:59,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:30:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:30:59,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:30:59,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:00,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-13 23:31:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:00,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:00,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:00,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:00,100 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:00,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-13 23:31:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:00,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:01,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:01,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:01,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-13 23:31:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:01,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:01,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:01,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:01,119 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:01,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-13 23:31:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:01,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:01,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:01,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:02,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-13 23:31:02,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:02,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:02,051 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:02,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:02,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:02,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:02,053 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:02,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-13 23:31:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:02,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:02,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:02,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:02,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-13 23:31:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:02,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:02,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:02,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:02,986 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:02,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-13 23:31:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:03,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:03,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:03,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:03,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-13 23:31:03,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:03,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:03,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:03,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:03,921 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:03,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-13 23:31:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:04,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:04,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:04,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:04,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-13 23:31:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:04,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:04,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:04,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:04,979 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:04,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-13 23:31:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:05,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:05,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:05,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:05,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-13 23:31:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:05,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:05,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:05,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:05,929 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:05,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-13 23:31:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:06,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:06,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:06,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:06,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-13 23:31:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:06,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:06,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:06,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:06,895 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:06,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-13 23:31:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:07,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:07,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:07,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:07,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-13 23:31:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:07,857 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:07,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:07,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:07,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:07,859 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:07,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-13 23:31:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:08,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:08,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:08,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:09,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-13 23:31:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:09,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:09,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:09,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:09,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:09,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:09,053 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:09,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-13 23:31:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:10,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:10,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:10,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:10,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-13 23:31:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:10,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:10,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:10,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:10,172 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:10,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-13 23:31:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:11,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:11,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:11,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:11,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-13 23:31:11,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:11,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:11,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:11,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:11,187 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:11,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-13 23:31:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:12,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:12,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:12,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:12,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-13 23:31:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:12,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:12,210 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:12,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:12,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:12,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:12,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:12,212 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:12,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-13 23:31:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:13,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:13,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:13,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:13,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-13 23:31:13,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:13,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:13,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:13,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:13,198 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:13,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-13 23:31:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:14,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:14,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:14,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:14,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-13 23:31:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:14,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:14,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:14,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:14,166 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:14,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-13 23:31:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:15,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:15,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:15,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:15,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-13 23:31:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:15,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:15,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:15,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:15,156 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:15,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-13 23:31:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:16,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:16,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:16,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:16,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-13 23:31:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:16,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:16,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:16,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:16,199 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:16,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-13 23:31:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:17,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:17,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:17,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:17,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (361)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:17,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:17,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:17,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:17,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:17,190 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:17,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-13 23:31:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:18,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:18,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:18,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:18,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-13 23:31:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:18,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:18,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:18,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:18,175 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:18,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-13 23:31:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:18,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:19,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:19,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:19,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-13 23:31:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:19,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:19,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:19,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:19,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:19,125 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:19,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-13 23:31:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:20,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:20,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:20,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:20,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (364)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:20,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:20,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:20,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:20,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:20,178 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:20,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-13 23:31:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:21,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:21,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:21,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:21,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (365)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:21,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:21,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:21,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:21,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:21,211 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:21,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-13 23:31:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:22,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:22,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:22,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:22,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-13 23:31:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:22,206 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:22,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:22,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:22,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:22,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:22,208 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:22,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-13 23:31:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:23,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:23,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:23,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:23,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-13 23:31:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:23,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:23,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:23,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:23,157 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:23,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-13 23:31:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:23,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:23,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:23,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:24,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-13 23:31:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:24,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:24,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:24,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:24,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:24,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:24,099 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:24,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-13 23:31:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:25,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:25,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:25,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:25,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:25,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-13 23:31:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:25,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:25,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:25,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:25,159 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:25,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-13 23:31:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:26,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:26,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:26,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:26,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (370)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:26,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:26,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:26,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:26,193 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:26,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-13 23:31:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:27,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:27,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:27,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:27,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (371)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:27,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:27,468 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:27,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:27,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:27,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:27,470 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:27,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-13 23:31:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:28,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:28,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:28,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:28,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-13 23:31:28,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:28,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:28,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:28,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:28,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:28,500 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:28,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-13 23:31:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:29,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:29,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:29,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:29,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:29,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-13 23:31:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:29,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:29,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:29,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:29,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:29,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:29,519 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:29,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-13 23:31:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:30,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:30,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:30,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:30,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:30,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-11-13 23:31:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:30,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:30,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:30,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:30,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:30,541 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:30,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-13 23:31:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:31,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:31,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:31,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:31,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (375)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:31,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:31,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:31,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:31,538 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:31,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-13 23:31:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:32,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:32,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:32,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:32,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:32,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-11-13 23:31:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:32,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:32,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:32,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:32,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:32,457 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:32,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-11-13 23:31:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:33,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:33,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:33,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:33,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (377)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:33,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:33,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:33,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:33,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:33,433 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:33,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-11-13 23:31:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:34,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:34,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:34,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:34,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (378)] Forceful destruction successful, exit code 0 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-13 23:31:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:57,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:57,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:57,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-11-13 23:31:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:57,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:57,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:57,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:57,523 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:57,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-11-13 23:31:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:58,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:58,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:58,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:58,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (401)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:58,552 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:58,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:58,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:58,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:58,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:58,554 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:58,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-11-13 23:31:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:59,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:59,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:31:59,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:31:59,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (402)] Forceful destruction successful, exit code 0 [2024-11-13 23:31:59,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:31:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:31:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:31:59,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:59,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:59,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:59,597 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:59,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-11-13 23:32:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:00,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:00,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:00,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:00,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-11-13 23:32:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:00,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:00,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:00,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:00,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:00,561 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:00,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-11-13 23:32:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:01,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:01,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:01,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:01,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (404)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:01,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:01,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:01,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:01,567 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:01,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-11-13 23:32:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:02,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:02,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:02,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:02,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-11-13 23:32:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:02,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:02,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:02,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:02,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:02,583 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:02,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-11-13 23:32:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:03,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:03,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:03,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:03,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-11-13 23:32:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:03,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:03,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:03,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:03,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:03,573 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:03,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-11-13 23:32:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:04,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:04,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:04,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:04,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-11-13 23:32:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:04,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:04,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:04,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:04,557 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:04,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-11-13 23:32:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:05,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:05,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:05,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:05,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:05,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (408)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:05,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:05,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:05,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:05,565 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:05,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-11-13 23:32:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:06,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:06,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:06,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:06,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-11-13 23:32:06,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:06,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:06,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:06,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:06,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:06,588 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:06,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-11-13 23:32:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:07,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:07,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:07,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:07,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (410)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:07,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:07,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:07,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:07,538 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:07,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-11-13 23:32:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:08,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:08,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:08,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:08,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:08,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (411)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:08,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:08,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:08,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:08,522 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:08,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-11-13 23:32:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:09,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:09,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:09,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:09,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-11-13 23:32:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:09,534 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:09,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:09,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:09,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:09,537 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:09,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-11-13 23:32:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:10,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:10,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:10,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:10,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-11-13 23:32:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:10,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:10,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:10,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:10,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:10,532 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:10,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-11-13 23:32:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:11,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:11,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:11,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:11,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-11-13 23:32:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:11,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:11,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:11,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:11,566 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:11,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-11-13 23:32:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:12,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:12,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:12,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:12,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-11-13 23:32:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:12,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:12,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:12,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:12,571 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:12,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-11-13 23:32:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:13,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:13,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:13,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:13,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-11-13 23:32:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:13,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:13,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:13,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:13,524 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:13,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-11-13 23:32:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:14,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:14,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:14,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:14,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (417)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:14,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:14,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:14,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:14,482 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:14,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-11-13 23:32:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:15,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:15,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:15,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:15,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-11-13 23:32:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:15,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:15,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:15,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:15,444 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:15,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-11-13 23:32:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:16,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:16,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:16,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:16,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-11-13 23:32:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:16,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:16,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:16,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:16,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:16,467 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:16,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-11-13 23:32:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:17,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:17,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:17,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:17,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-11-13 23:32:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:17,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:17,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:17,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:17,508 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:17,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-11-13 23:32:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:18,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:18,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:18,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:18,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-11-13 23:32:18,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:18,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:18,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:18,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:18,473 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:18,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-11-13 23:32:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:19,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:19,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:19,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:19,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-11-13 23:32:19,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:19,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:19,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:19,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:19,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:19,489 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:19,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-11-13 23:32:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:20,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:20,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:20,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:20,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:20,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-11-13 23:32:20,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:20,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:20,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:20,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:20,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:20,471 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:20,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-11-13 23:32:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:21,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:21,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:21,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:21,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (424)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:21,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:21,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:21,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:21,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:21,457 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:21,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-11-13 23:32:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:22,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:22,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:22,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:22,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (425)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:22,459 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:22,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:22,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:22,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:22,461 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:22,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-11-13 23:32:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:23,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:23,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:23,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:23,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (426)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:23,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:23,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:23,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:23,466 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:23,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-11-13 23:32:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:24,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:24,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:24,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:24,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-11-13 23:32:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:24,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:24,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:24,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:24,453 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:24,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-11-13 23:32:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:25,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:25,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:25,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:25,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-11-13 23:32:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:25,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:25,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:25,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:25,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:25,421 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:25,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-11-13 23:32:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:26,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:26,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:26,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:26,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:26,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-11-13 23:32:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:26,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:26,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:26,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:26,396 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:26,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-11-13 23:32:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:27,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:27,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:27,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:27,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:27,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-11-13 23:32:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:27,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:27,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:27,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:27,437 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:27,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-11-13 23:32:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:28,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:28,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:28,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:28,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-11-13 23:32:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:28,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:28,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:28,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:28,454 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:28,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-11-13 23:32:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:29,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:29,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:29,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:29,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-11-13 23:32:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:29,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:29,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:29,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:29,493 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:29,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-11-13 23:32:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:30,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:30,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:30,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:30,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-11-13 23:32:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:30,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:30,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:30,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:30,480 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:30,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-11-13 23:32:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:31,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:31,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:31,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:31,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-11-13 23:32:31,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:31,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:31,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:31,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:31,529 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:31,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-11-13 23:32:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:32,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:32,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:32,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:32,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:32,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2024-11-13 23:32:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:32,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:32,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:32,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:32,581 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:32,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-11-13 23:32:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:33,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:33,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:33,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:33,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-11-13 23:32:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:33,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:33,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:33,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:33,628 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:33,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-11-13 23:32:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:34,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:34,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:34,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:34,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (437)] Ended with exit code 0 [2024-11-13 23:32:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:34,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:34,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:34,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:34,653 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:34,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-11-13 23:32:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:35,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:35,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:35,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:35,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (438)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:35,608 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:35,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:35,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:35,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:35,610 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:35,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-11-13 23:32:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:36,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:36,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:36,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:36,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-11-13 23:32:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:36,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:36,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:36,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:36,820 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:36,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-11-13 23:32:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:37,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:37,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:37,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:38,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (440)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:38,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:38,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:38,029 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:38,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:38,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:38,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:38,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:38,031 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:38,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-11-13 23:32:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:38,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:38,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:38,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:39,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (441)] Forceful destruction successful, exit code 0 [2024-11-13 23:32:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:39,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:39,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:39,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:39,097 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:39,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-11-13 23:32:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:40,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:40,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:40,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:40,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2024-11-13 23:32:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:40,284 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:40,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:40,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:40,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:40,286 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:40,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-11-13 23:32:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:41,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:41,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:41,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:41,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-11-13 23:32:41,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:41,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:41,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:41,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:41,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:41,319 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:41,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-11-13 23:32:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:42,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:42,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:42,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:42,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-11-13 23:32:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:42,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:42,293 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:42,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:42,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:42,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:42,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:42,295 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:42,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-11-13 23:32:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:43,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:43,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:43,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:43,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:43,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-11-13 23:32:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:43,295 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:43,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:43,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:43,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:43,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:43,297 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:43,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-11-13 23:32:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:44,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:44,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:44,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:44,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2024-11-13 23:32:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:44,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:44,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:44,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:44,358 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:44,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-11-13 23:32:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:45,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:45,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:45,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:45,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-11-13 23:32:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:45,384 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:45,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:45,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:45,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:45,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:45,386 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:45,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-11-13 23:32:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:46,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:46,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:46,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:46,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2024-11-13 23:32:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:46,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:46,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:46,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:46,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:46,395 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:46,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-11-13 23:32:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:47,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:47,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:47,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:47,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:47,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-11-13 23:32:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:47,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:47,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:47,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:47,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:47,455 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:47,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-11-13 23:32:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:48,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:48,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:48,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:48,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:48,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (450)] Ended with exit code 0 [2024-11-13 23:32:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:48,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:48,535 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:48,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:48,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:48,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:48,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:48,537 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:48,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-11-13 23:32:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:49,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:49,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:49,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:49,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-11-13 23:32:49,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:49,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:49,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:49,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:49,665 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:49,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-11-13 23:32:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:50,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:50,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:50,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:50,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-11-13 23:32:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:50,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:50,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:50,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:50,701 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:50,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-11-13 23:32:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:51,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:51,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:51,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:51,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2024-11-13 23:32:51,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:51,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:51,729 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:51,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:51,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:51,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:51,731 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:51,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-11-13 23:32:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:52,623 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:52,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:52,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:52,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2024-11-13 23:32:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:52,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:52,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:52,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:52,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:52,757 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:52,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-11-13 23:32:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:53,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:53,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:53,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:53,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2024-11-13 23:32:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:53,787 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:53,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:53,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:53,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:53,789 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:53,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-11-13 23:32:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:54,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:54,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:54,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:54,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2024-11-13 23:32:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:54,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:54,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:54,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:54,760 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:54,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-11-13 23:32:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:55,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:55,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:55,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:55,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2024-11-13 23:32:55,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:55,909 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:55,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:55,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:55,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:55,911 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:55,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-11-13 23:32:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:56,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:57,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:57,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:57,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-11-13 23:32:57,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:57,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:57,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:57,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:57,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:57,152 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:57,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-11-13 23:32:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:58,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:58,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:58,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:58,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2024-11-13 23:32:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:58,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:58,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:58,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:58,511 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:58,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-11-13 23:32:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:59,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:59,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:32:59,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:32:59,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (460)] Ended with exit code 0 [2024-11-13 23:32:59,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:32:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:32:59,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:32:59,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:59,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:59,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:59,788 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:59,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-11-13 23:33:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:00,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:00,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:00,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:00,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (461)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:00,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:00,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:00,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:00,870 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:00,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-11-13 23:33:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:01,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:01,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:01,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:01,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (462)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:01,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:01,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:01,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:01,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:01,927 INFO L229 MonitoredProcess]: Starting monitored process 463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:01,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (463)] Waiting until timeout for monitored process [2024-11-13 23:33:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:02,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:02,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:02,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:02,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (463)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:02,959 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:02,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:02,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:02,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:02,961 INFO L229 MonitoredProcess]: Starting monitored process 464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:02,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (464)] Waiting until timeout for monitored process [2024-11-13 23:33:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:03,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:03,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:03,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:03,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (464)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:03,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:03,905 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:03,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:03,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:03,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:03,907 INFO L229 MonitoredProcess]: Starting monitored process 465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:03,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (465)] Waiting until timeout for monitored process [2024-11-13 23:33:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:04,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:04,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:04,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:04,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (465)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:04,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:04,923 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:04,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:04,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:04,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:04,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:04,925 INFO L229 MonitoredProcess]: Starting monitored process 466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:04,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (466)] Waiting until timeout for monitored process [2024-11-13 23:33:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:05,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:05,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:05,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:05,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (466)] Ended with exit code 0 [2024-11-13 23:33:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:05,970 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:05,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:05,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:05,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:05,972 INFO L229 MonitoredProcess]: Starting monitored process 467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:05,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (467)] Waiting until timeout for monitored process [2024-11-13 23:33:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:06,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:06,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:06,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:07,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (467)] Ended with exit code 0 [2024-11-13 23:33:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:07,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:07,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:07,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:07,012 INFO L229 MonitoredProcess]: Starting monitored process 468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:07,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (468)] Waiting until timeout for monitored process [2024-11-13 23:33:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:07,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:07,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:07,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:08,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (468)] Ended with exit code 0 [2024-11-13 23:33:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:08,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:08,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:08,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:08,053 INFO L229 MonitoredProcess]: Starting monitored process 469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:08,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (469)] Waiting until timeout for monitored process [2024-11-13 23:33:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:08,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:08,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:08,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:09,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:09,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (469)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:09,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:09,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:09,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:09,114 INFO L229 MonitoredProcess]: Starting monitored process 470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:09,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (470)] Waiting until timeout for monitored process [2024-11-13 23:33:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:10,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:10,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:10,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:10,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (470)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:10,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:10,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:10,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:10,225 INFO L229 MonitoredProcess]: Starting monitored process 471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:10,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (471)] Waiting until timeout for monitored process [2024-11-13 23:33:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:11,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:11,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:11,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:11,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (471)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:11,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:11,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:11,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:11,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:11,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:11,708 INFO L229 MonitoredProcess]: Starting monitored process 472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:11,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (472)] Waiting until timeout for monitored process [2024-11-13 23:33:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:12,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:12,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:12,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:12,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (472)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:12,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:12,814 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:12,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:12,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:12,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:12,816 INFO L229 MonitoredProcess]: Starting monitored process 473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:12,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (473)] Waiting until timeout for monitored process [2024-11-13 23:33:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:13,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:13,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:13,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:13,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (473)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:13,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:13,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:13,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:13,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:13,917 INFO L229 MonitoredProcess]: Starting monitored process 474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:13,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (474)] Waiting until timeout for monitored process [2024-11-13 23:33:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:14,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:14,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:14,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:15,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (474)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:15,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:15,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:15,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:15,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:15,065 INFO L229 MonitoredProcess]: Starting monitored process 475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:15,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (475)] Waiting until timeout for monitored process [2024-11-13 23:33:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:16,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:16,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:16,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:16,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (475)] Ended with exit code 0 [2024-11-13 23:33:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:16,200 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:16,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:16,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:16,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:16,202 INFO L229 MonitoredProcess]: Starting monitored process 476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:16,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (476)] Waiting until timeout for monitored process [2024-11-13 23:33:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:17,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:17,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:17,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:17,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (476)] Ended with exit code 0 [2024-11-13 23:33:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:17,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:17,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:17,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:17,216 INFO L229 MonitoredProcess]: Starting monitored process 477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:17,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (477)] Waiting until timeout for monitored process [2024-11-13 23:33:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:18,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:18,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:18,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:18,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (477)] Ended with exit code 0 [2024-11-13 23:33:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:18,295 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:18,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:18,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:18,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:18,297 INFO L229 MonitoredProcess]: Starting monitored process 478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:18,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (478)] Waiting until timeout for monitored process [2024-11-13 23:33:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:19,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:19,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:19,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:19,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (478)] Ended with exit code 0 [2024-11-13 23:33:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:19,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:19,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:19,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:19,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:19,583 INFO L229 MonitoredProcess]: Starting monitored process 479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:19,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (479)] Waiting until timeout for monitored process [2024-11-13 23:33:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:20,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:20,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:20,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:20,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (479)] Ended with exit code 0 [2024-11-13 23:33:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:20,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:20,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:20,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:20,713 INFO L229 MonitoredProcess]: Starting monitored process 480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:20,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (480)] Waiting until timeout for monitored process [2024-11-13 23:33:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:21,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:21,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:21,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:21,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (480)] Ended with exit code 0 [2024-11-13 23:33:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:21,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:21,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:21,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:21,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:21,849 INFO L229 MonitoredProcess]: Starting monitored process 481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:21,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (481)] Waiting until timeout for monitored process [2024-11-13 23:33:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:23,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:23,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:23,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:23,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (481)] Ended with exit code 0 [2024-11-13 23:33:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:23,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:23,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:23,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:23,230 INFO L229 MonitoredProcess]: Starting monitored process 482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:23,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (482)] Waiting until timeout for monitored process [2024-11-13 23:33:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:24,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:24,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:24,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:24,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (482)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:24,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:24,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:24,495 INFO L229 MonitoredProcess]: Starting monitored process 483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:24,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (483)] Waiting until timeout for monitored process [2024-11-13 23:33:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:25,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:25,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:25,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:25,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (483)] Ended with exit code 0 [2024-11-13 23:33:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:25,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:25,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:25,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:25,529 INFO L229 MonitoredProcess]: Starting monitored process 484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:25,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (484)] Waiting until timeout for monitored process [2024-11-13 23:33:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:26,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:26,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:26,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:26,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (484)] Ended with exit code 0 [2024-11-13 23:33:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:26,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:26,709 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:26,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:26,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:26,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:26,711 INFO L229 MonitoredProcess]: Starting monitored process 485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:26,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (485)] Waiting until timeout for monitored process [2024-11-13 23:33:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:27,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:27,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:27,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:27,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (485)] Ended with exit code 0 [2024-11-13 23:33:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:27,884 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:27,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:27,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:27,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:27,885 INFO L229 MonitoredProcess]: Starting monitored process 486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:27,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (486)] Waiting until timeout for monitored process [2024-11-13 23:33:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:28,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:28,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:28,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:28,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (486)] Ended with exit code 0 [2024-11-13 23:33:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:28,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:28,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:28,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:28,902 INFO L229 MonitoredProcess]: Starting monitored process 487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:28,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (487)] Waiting until timeout for monitored process [2024-11-13 23:33:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:30,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:30,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:30,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:30,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:30,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (487)] Ended with exit code 0 [2024-11-13 23:33:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:30,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:30,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:30,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:30,202 INFO L229 MonitoredProcess]: Starting monitored process 488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:30,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (488)] Waiting until timeout for monitored process [2024-11-13 23:33:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:31,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:31,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:31,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:31,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (488)] Ended with exit code 0 [2024-11-13 23:33:31,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:31,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:31,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:31,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:31,343 INFO L229 MonitoredProcess]: Starting monitored process 489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:31,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (489)] Waiting until timeout for monitored process [2024-11-13 23:33:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:32,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:32,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:32,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:32,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (489)] Ended with exit code 0 [2024-11-13 23:33:32,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:32,512 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:32,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:32,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:32,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:32,515 INFO L229 MonitoredProcess]: Starting monitored process 490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:32,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (490)] Waiting until timeout for monitored process [2024-11-13 23:33:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:33,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:33,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:33,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:33,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (490)] Ended with exit code 0 [2024-11-13 23:33:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:33,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:33,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:33,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:33,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:33,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:33,644 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:33,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2024-11-13 23:33:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:34,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:34,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:34,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:34,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (491)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:34,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:34,830 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:34,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:34,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:34,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:34,832 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:34,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2024-11-13 23:33:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:35,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:35,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:35,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:35,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (492)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:35,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:35,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:35,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:35,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:35,957 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:35,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2024-11-13 23:33:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:36,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:36,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:36,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:37,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2024-11-13 23:33:37,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:37,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:37,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:37,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:37,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:37,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:37,078 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:37,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2024-11-13 23:33:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:37,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:38,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:38,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:38,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (494)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:38,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:38,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:38,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:38,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:38,126 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:38,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2024-11-13 23:33:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:39,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:39,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:39,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:39,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (495)] Ended with exit code 0 [2024-11-13 23:33:39,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:39,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:39,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:39,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:39,221 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:39,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2024-11-13 23:33:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:40,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:40,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:40,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:40,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (496)] Ended with exit code 0 [2024-11-13 23:33:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:40,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:40,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:40,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:40,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:40,479 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:40,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2024-11-13 23:33:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:41,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:41,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:41,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:41,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2024-11-13 23:33:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:41,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:41,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:41,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:41,594 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:41,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2024-11-13 23:33:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:42,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:42,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:42,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:42,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (498)] Ended with exit code 0 [2024-11-13 23:33:42,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:42,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:42,664 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:42,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:42,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:42,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:42,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:42,666 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:42,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2024-11-13 23:33:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:43,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:43,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:43,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:44,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (499)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:44,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:44,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:44,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:44,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:44,086 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:44,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2024-11-13 23:33:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:45,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:45,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:45,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:45,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (500)] Ended with exit code 0 [2024-11-13 23:33:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:45,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:45,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:45,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:45,524 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:45,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2024-11-13 23:33:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:46,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:46,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:46,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:46,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (501)] Ended with exit code 0 [2024-11-13 23:33:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:46,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:46,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:46,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:46,714 INFO L229 MonitoredProcess]: Starting monitored process 502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:46,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (502)] Waiting until timeout for monitored process [2024-11-13 23:33:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:47,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:47,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:47,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:47,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (502)] Ended with exit code 0 [2024-11-13 23:33:47,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:47,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:47,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:47,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:47,916 INFO L229 MonitoredProcess]: Starting monitored process 503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:47,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (503)] Waiting until timeout for monitored process [2024-11-13 23:33:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:48,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:48,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:48,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:49,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (503)] Ended with exit code 0 [2024-11-13 23:33:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:49,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:49,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:49,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:49,064 INFO L229 MonitoredProcess]: Starting monitored process 504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:49,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (504)] Waiting until timeout for monitored process [2024-11-13 23:33:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:50,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:50,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:50,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:50,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (504)] Ended with exit code 0 [2024-11-13 23:33:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:50,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:50,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:50,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:50,262 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:50,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2024-11-13 23:33:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:51,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:51,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:51,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:51,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:51,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (505)] Ended with exit code 0 [2024-11-13 23:33:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:51,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:51,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:51,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:51,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:51,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:51,361 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:51,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2024-11-13 23:33:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:52,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:52,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:52,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:52,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (506)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:52,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:52,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:52,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:52,538 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:52,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2024-11-13 23:33:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:53,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:53,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:53,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:53,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (507)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:53,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:53,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:53,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:53,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:53,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:53,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:53,751 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:53,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2024-11-13 23:33:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:54,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:54,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:54,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:54,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2024-11-13 23:33:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:54,812 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:54,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:54,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:54,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:54,814 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:54,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2024-11-13 23:33:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:55,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:55,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:55,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:56,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (509)] Ended with exit code 0 [2024-11-13 23:33:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:56,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:56,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:56,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:56,027 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:56,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2024-11-13 23:33:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:57,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:57,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:57,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:57,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (510)] Ended with exit code 0 [2024-11-13 23:33:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:57,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:57,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:57,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:57,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:57,347 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:57,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2024-11-13 23:33:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:58,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:58,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:33:58,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:33:58,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (511)] Ended with exit code 0 [2024-11-13 23:33:58,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:58,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:33:58,702 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:33:58,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:33:58,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:58,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:58,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:58,707 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:58,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2024-11-13 23:34:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:00,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:00,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:00,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:00,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (512)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:00,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:00,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:00,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:00,175 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:00,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2024-11-13 23:34:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:01,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:01,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:01,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:01,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (513)] Ended with exit code 0 [2024-11-13 23:34:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:01,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:01,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:01,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:01,444 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:01,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2024-11-13 23:34:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:02,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:02,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:02,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:02,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (514)] Ended with exit code 0 [2024-11-13 23:34:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:02,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:02,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:02,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:02,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:02,525 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:02,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2024-11-13 23:34:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:03,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:03,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:03,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:03,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (515)] Ended with exit code 0 [2024-11-13 23:34:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:03,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:03,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:03,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:03,772 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:03,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2024-11-13 23:34:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:05,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:05,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:05,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:05,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (516)] Ended with exit code 0 [2024-11-13 23:34:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:05,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:05,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:05,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:05,319 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:05,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2024-11-13 23:34:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:06,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:06,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:06,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:06,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (517)] Ended with exit code 0 [2024-11-13 23:34:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:06,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:06,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:06,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:06,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:06,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:06,828 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:06,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2024-11-13 23:34:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:07,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:07,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:07,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:08,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (518)] Ended with exit code 0 [2024-11-13 23:34:08,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:08,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:08,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:08,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:08,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:08,107 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:08,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2024-11-13 23:34:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:09,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:09,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:09,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:09,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (519)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:09,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:09,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:09,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:09,457 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:09,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2024-11-13 23:34:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:10,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:10,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:10,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:10,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (520)] Ended with exit code 0 [2024-11-13 23:34:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:10,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:10,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:10,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:10,843 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:10,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2024-11-13 23:34:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:11,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:11,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:11,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:12,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2024-11-13 23:34:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:12,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:12,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:12,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:12,028 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:12,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2024-11-13 23:34:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:13,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:13,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:13,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:13,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (522)] Ended with exit code 0 [2024-11-13 23:34:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:13,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:13,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:13,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:13,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:13,242 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:13,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2024-11-13 23:34:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:14,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:14,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:14,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:14,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (523)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:14,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:14,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:14,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:14,378 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:14,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2024-11-13 23:34:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:15,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:15,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:15,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:15,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2024-11-13 23:34:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:15,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:15,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:15,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:15,510 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:15,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2024-11-13 23:34:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:16,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:16,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:16,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:16,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (525)] Ended with exit code 0 [2024-11-13 23:34:16,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:16,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:16,621 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:16,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:16,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:16,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:16,626 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:16,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2024-11-13 23:34:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:17,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:17,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:17,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:17,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (526)] Ended with exit code 0 [2024-11-13 23:34:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:17,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:17,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:17,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:17,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:17,780 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:17,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2024-11-13 23:34:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:18,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:18,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:18,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:18,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (527)] Ended with exit code 0 [2024-11-13 23:34:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:18,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:18,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:18,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:18,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:18,921 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:18,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2024-11-13 23:34:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:19,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:19,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:19,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:20,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (528)] Ended with exit code 0 [2024-11-13 23:34:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:20,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:20,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:20,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:20,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:20,110 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:20,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2024-11-13 23:34:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:21,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:21,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:21,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:21,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:21,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (529)] Ended with exit code 0 [2024-11-13 23:34:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:21,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:21,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:21,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:21,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:21,274 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:21,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2024-11-13 23:34:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:22,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:22,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:22,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:22,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (530)] Ended with exit code 0 [2024-11-13 23:34:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:22,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:22,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:22,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:22,389 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:22,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2024-11-13 23:34:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:23,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:23,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:23,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:23,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (531)] Ended with exit code 0 [2024-11-13 23:34:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:23,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:23,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:23,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:23,570 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:23,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2024-11-13 23:34:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:24,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:24,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:24,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:24,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (532)] Ended with exit code 0 [2024-11-13 23:34:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:24,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:24,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:24,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:24,765 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:24,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2024-11-13 23:34:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:25,774 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:25,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:25,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:25,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (533)] Ended with exit code 0 [2024-11-13 23:34:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:25,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:25,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:25,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:25,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:25,925 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:25,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process [2024-11-13 23:34:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:26,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:26,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:26,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:27,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (534)] Ended with exit code 0 [2024-11-13 23:34:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:27,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:27,059 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:27,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:27,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:27,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:27,061 INFO L229 MonitoredProcess]: Starting monitored process 535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:27,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (535)] Waiting until timeout for monitored process [2024-11-13 23:34:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:28,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:28,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:28,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:28,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (535)] Ended with exit code 0 [2024-11-13 23:34:28,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:28,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:28,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:28,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:28,215 INFO L229 MonitoredProcess]: Starting monitored process 536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:28,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (536)] Waiting until timeout for monitored process [2024-11-13 23:34:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:29,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:29,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:29,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:29,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (536)] Ended with exit code 0 [2024-11-13 23:34:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:29,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:29,401 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:29,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:29,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:29,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:29,403 INFO L229 MonitoredProcess]: Starting monitored process 537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:29,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (537)] Waiting until timeout for monitored process [2024-11-13 23:34:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:30,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:30,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:30,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:30,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (537)] Ended with exit code 0 [2024-11-13 23:34:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:30,672 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:30,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:30,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:30,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:30,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:30,674 INFO L229 MonitoredProcess]: Starting monitored process 538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:30,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (538)] Waiting until timeout for monitored process [2024-11-13 23:34:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:31,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:31,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:31,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:31,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:31,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (538)] Ended with exit code 0 [2024-11-13 23:34:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:31,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:31,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:31,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:31,821 INFO L229 MonitoredProcess]: Starting monitored process 539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:31,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (539)] Waiting until timeout for monitored process [2024-11-13 23:34:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:32,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:32,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:32,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:33,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (539)] Ended with exit code 0 [2024-11-13 23:34:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:33,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:33,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:33,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:33,017 INFO L229 MonitoredProcess]: Starting monitored process 540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:33,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (540)] Waiting until timeout for monitored process [2024-11-13 23:34:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:34,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:34,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:34,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:34,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (540)] Ended with exit code 0 [2024-11-13 23:34:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:34,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:34,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:34,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:34,177 INFO L229 MonitoredProcess]: Starting monitored process 541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:34,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (541)] Waiting until timeout for monitored process [2024-11-13 23:34:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:35,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:35,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:35,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:35,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (541)] Ended with exit code 0 [2024-11-13 23:34:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:35,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:35,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:35,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:35,564 INFO L229 MonitoredProcess]: Starting monitored process 542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:35,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (542)] Waiting until timeout for monitored process [2024-11-13 23:34:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:36,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:36,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:36,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:36,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (542)] Ended with exit code 0 [2024-11-13 23:34:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:36,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:36,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:36,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:36,806 INFO L229 MonitoredProcess]: Starting monitored process 543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:36,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (543)] Waiting until timeout for monitored process [2024-11-13 23:34:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:37,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:37,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:37,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:38,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (543)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:38,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:38,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:38,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:38,026 INFO L229 MonitoredProcess]: Starting monitored process 544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:38,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (544)] Waiting until timeout for monitored process [2024-11-13 23:34:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:39,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:39,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:39,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:39,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (544)] Ended with exit code 0 [2024-11-13 23:34:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:39,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:39,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:39,236 INFO L229 MonitoredProcess]: Starting monitored process 545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:39,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (545)] Waiting until timeout for monitored process [2024-11-13 23:34:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:40,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:40,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:40,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:40,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (545)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:40,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:40,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:40,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:40,524 INFO L229 MonitoredProcess]: Starting monitored process 546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:40,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (546)] Waiting until timeout for monitored process [2024-11-13 23:34:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:41,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:41,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:41,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:41,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (546)] Ended with exit code 0 [2024-11-13 23:34:41,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:41,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:41,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:41,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:41,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:41,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:41,591 INFO L229 MonitoredProcess]: Starting monitored process 547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:41,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (547)] Waiting until timeout for monitored process [2024-11-13 23:34:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:42,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:42,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:42,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:42,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (547)] Ended with exit code 0 [2024-11-13 23:34:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:42,753 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:42,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:42,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:42,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:42,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:42,755 INFO L229 MonitoredProcess]: Starting monitored process 548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:42,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (548)] Waiting until timeout for monitored process [2024-11-13 23:34:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:43,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:43,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:43,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:43,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (548)] Ended with exit code 0 [2024-11-13 23:34:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:43,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:43,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:43,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:43,954 INFO L229 MonitoredProcess]: Starting monitored process 549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:43,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (549)] Waiting until timeout for monitored process [2024-11-13 23:34:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:44,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:45,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:45,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:45,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:45,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (549)] Ended with exit code 0 [2024-11-13 23:34:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:45,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:45,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:45,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:45,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:45,139 INFO L229 MonitoredProcess]: Starting monitored process 550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:45,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (550)] Waiting until timeout for monitored process [2024-11-13 23:34:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:46,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:46,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:46,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:46,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (550)] Ended with exit code 0 [2024-11-13 23:34:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:46,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:46,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:46,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:46,337 INFO L229 MonitoredProcess]: Starting monitored process 551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:46,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (551)] Waiting until timeout for monitored process [2024-11-13 23:34:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:47,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:47,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:47,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:47,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:47,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (551)] Ended with exit code 0 [2024-11-13 23:34:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:47,530 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:47,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:47,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:47,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:47,533 INFO L229 MonitoredProcess]: Starting monitored process 552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:47,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (552)] Waiting until timeout for monitored process [2024-11-13 23:34:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:48,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:48,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:48,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:48,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (552)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:48,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:48,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:48,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:48,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:48,736 INFO L229 MonitoredProcess]: Starting monitored process 553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:48,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (553)] Waiting until timeout for monitored process [2024-11-13 23:34:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:49,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:49,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:49,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:49,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (553)] Ended with exit code 0 [2024-11-13 23:34:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:49,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:49,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:49,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:49,947 INFO L229 MonitoredProcess]: Starting monitored process 554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:49,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (554)] Waiting until timeout for monitored process [2024-11-13 23:34:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:51,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:51,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:51,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:51,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (554)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:51,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:51,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:51,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:51,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:51,218 INFO L229 MonitoredProcess]: Starting monitored process 555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:51,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (555)] Waiting until timeout for monitored process [2024-11-13 23:34:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:52,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:52,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:52,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:52,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (555)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:52,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:52,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:52,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:52,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:52,472 INFO L229 MonitoredProcess]: Starting monitored process 556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:52,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (556)] Waiting until timeout for monitored process [2024-11-13 23:34:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:53,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:53,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:53,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:53,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (556)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:53,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:53,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:53,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:53,610 INFO L229 MonitoredProcess]: Starting monitored process 557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:53,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (557)] Waiting until timeout for monitored process [2024-11-13 23:34:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:54,647 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:54,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:54,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:54,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (557)] Ended with exit code 0 [2024-11-13 23:34:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:54,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:54,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:54,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:54,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:54,804 INFO L229 MonitoredProcess]: Starting monitored process 558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:54,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (558)] Waiting until timeout for monitored process [2024-11-13 23:34:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:55,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:55,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:55,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:55,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (558)] Ended with exit code 0 [2024-11-13 23:34:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:55,990 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:55,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:55,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:55,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:55,992 INFO L229 MonitoredProcess]: Starting monitored process 559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:55,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (559)] Waiting until timeout for monitored process [2024-11-13 23:34:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:56,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:56,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:56,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:57,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (559)] Ended with exit code 0 [2024-11-13 23:34:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:57,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:57,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:57,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:57,080 INFO L229 MonitoredProcess]: Starting monitored process 560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:57,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (560)] Waiting until timeout for monitored process [2024-11-13 23:34:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:58,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:58,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:58,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:58,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (560)] Forceful destruction successful, exit code 0 [2024-11-13 23:34:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:58,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:58,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:58,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:58,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:58,252 INFO L229 MonitoredProcess]: Starting monitored process 561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:58,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (561)] Waiting until timeout for monitored process [2024-11-13 23:34:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:59,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:34:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:34:59,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:34:59,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:34:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:34:59,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (561)] Ended with exit code 0 [2024-11-13 23:34:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:34:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:34:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:34:59,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:34:59,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:34:59,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:34:59,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:34:59,431 INFO L229 MonitoredProcess]: Starting monitored process 562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:34:59,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (562)] Waiting until timeout for monitored process [2024-11-13 23:35:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:00,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:00,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:00,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:00,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (562)] Ended with exit code 0 [2024-11-13 23:35:00,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:00,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:00,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:00,621 INFO L229 MonitoredProcess]: Starting monitored process 563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:00,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (563)] Waiting until timeout for monitored process [2024-11-13 23:35:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:01,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:01,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:01,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:01,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:01,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (563)] Ended with exit code 0 [2024-11-13 23:35:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:01,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:01,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:01,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:01,903 INFO L229 MonitoredProcess]: Starting monitored process 564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:01,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (564)] Waiting until timeout for monitored process [2024-11-13 23:35:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:02,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:02,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:02,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:03,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (564)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:03,077 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:03,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:03,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:03,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:03,078 INFO L229 MonitoredProcess]: Starting monitored process 565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:03,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (565)] Waiting until timeout for monitored process [2024-11-13 23:35:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:04,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:04,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:04,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:04,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (565)] Ended with exit code 0 [2024-11-13 23:35:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:04,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:04,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:04,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:04,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:04,183 INFO L229 MonitoredProcess]: Starting monitored process 566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:04,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (566)] Waiting until timeout for monitored process [2024-11-13 23:35:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:05,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:05,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:05,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:05,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (566)] Ended with exit code 0 [2024-11-13 23:35:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:05,403 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:05,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:05,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:05,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:05,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:05,405 INFO L229 MonitoredProcess]: Starting monitored process 567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:05,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (567)] Waiting until timeout for monitored process [2024-11-13 23:35:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:06,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:06,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:06,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:06,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:06,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (567)] Ended with exit code 0 [2024-11-13 23:35:06,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:06,616 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:06,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:06,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:06,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:06,618 INFO L229 MonitoredProcess]: Starting monitored process 568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:06,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (568)] Waiting until timeout for monitored process [2024-11-13 23:35:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:07,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:07,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:07,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:07,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (568)] Ended with exit code 0 [2024-11-13 23:35:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:07,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:07,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:07,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:07,834 INFO L229 MonitoredProcess]: Starting monitored process 569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:07,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (569)] Waiting until timeout for monitored process [2024-11-13 23:35:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:08,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:08,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:08,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:08,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (569)] Ended with exit code 0 [2024-11-13 23:35:09,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:09,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:09,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:09,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:09,004 INFO L229 MonitoredProcess]: Starting monitored process 570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:09,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (570)] Waiting until timeout for monitored process [2024-11-13 23:35:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:10,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:10,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:10,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:10,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:10,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (570)] Ended with exit code 0 [2024-11-13 23:35:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:10,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:10,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:10,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:10,303 INFO L229 MonitoredProcess]: Starting monitored process 571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:10,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (571)] Waiting until timeout for monitored process [2024-11-13 23:35:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:11,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:11,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:11,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:11,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (571)] Ended with exit code 0 [2024-11-13 23:35:11,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:11,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:11,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:11,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:11,463 INFO L229 MonitoredProcess]: Starting monitored process 572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:11,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (572)] Waiting until timeout for monitored process [2024-11-13 23:35:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:12,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:12,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:12,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:12,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (572)] Ended with exit code 0 [2024-11-13 23:35:12,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:12,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:12,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:12,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:12,633 INFO L229 MonitoredProcess]: Starting monitored process 573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:12,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (573)] Waiting until timeout for monitored process [2024-11-13 23:35:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:13,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:13,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:13,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:13,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (573)] Ended with exit code 0 [2024-11-13 23:35:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:13,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:13,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:13,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:13,758 INFO L229 MonitoredProcess]: Starting monitored process 574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:13,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (574)] Waiting until timeout for monitored process [2024-11-13 23:35:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:14,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:14,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:14,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:14,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (574)] Ended with exit code 0 [2024-11-13 23:35:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:14,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:14,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:14,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:14,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:14,928 INFO L229 MonitoredProcess]: Starting monitored process 575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:14,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (575)] Waiting until timeout for monitored process [2024-11-13 23:35:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:15,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:15,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:15,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:16,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (575)] Ended with exit code 0 [2024-11-13 23:35:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:16,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:16,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:16,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:16,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:16,028 INFO L229 MonitoredProcess]: Starting monitored process 576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:16,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (576)] Waiting until timeout for monitored process [2024-11-13 23:35:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:17,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:17,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:17,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:17,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:17,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (576)] Ended with exit code 0 [2024-11-13 23:35:17,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:17,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:17,341 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:17,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:17,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:17,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:17,343 INFO L229 MonitoredProcess]: Starting monitored process 577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:17,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (577)] Waiting until timeout for monitored process [2024-11-13 23:35:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:18,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:18,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:18,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:18,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:18,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (577)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:18,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:18,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:18,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:18,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:18,656 INFO L229 MonitoredProcess]: Starting monitored process 578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:18,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (578)] Waiting until timeout for monitored process [2024-11-13 23:35:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:19,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:19,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:19,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:19,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (578)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:19,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:19,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:19,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:19,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:19,824 INFO L229 MonitoredProcess]: Starting monitored process 579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:19,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (579)] Waiting until timeout for monitored process [2024-11-13 23:35:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:20,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:20,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:20,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:21,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (579)] Ended with exit code 0 [2024-11-13 23:35:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:21,050 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:21,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:21,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:21,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:21,051 INFO L229 MonitoredProcess]: Starting monitored process 580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:21,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (580)] Waiting until timeout for monitored process [2024-11-13 23:35:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:22,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:22,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:22,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:22,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (580)] Ended with exit code 0 [2024-11-13 23:35:22,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:22,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:22,335 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:22,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:22,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:22,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:22,339 INFO L229 MonitoredProcess]: Starting monitored process 581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:22,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (581)] Waiting until timeout for monitored process [2024-11-13 23:35:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:23,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:23,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:23,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:23,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:23,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (581)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:23,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:23,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:23,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:23,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:23,674 INFO L229 MonitoredProcess]: Starting monitored process 582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:23,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (582)] Waiting until timeout for monitored process [2024-11-13 23:35:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:24,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:24,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:24,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:24,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (582)] Ended with exit code 0 [2024-11-13 23:35:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:24,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:24,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:24,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:24,842 INFO L229 MonitoredProcess]: Starting monitored process 583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:24,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (583)] Waiting until timeout for monitored process [2024-11-13 23:35:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:25,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:25,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:25,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:26,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (583)] Ended with exit code 0 [2024-11-13 23:35:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:26,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:26,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:26,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:26,054 INFO L229 MonitoredProcess]: Starting monitored process 584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:26,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (584)] Waiting until timeout for monitored process [2024-11-13 23:35:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:27,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:27,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:27,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:27,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (584)] Ended with exit code 0 [2024-11-13 23:35:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:27,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:27,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:27,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:27,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:27,300 INFO L229 MonitoredProcess]: Starting monitored process 585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:27,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (585)] Waiting until timeout for monitored process [2024-11-13 23:35:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:28,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:28,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:28,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:28,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (585)] Ended with exit code 0 [2024-11-13 23:35:28,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:28,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:28,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:28,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:28,420 INFO L229 MonitoredProcess]: Starting monitored process 586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:28,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (586)] Waiting until timeout for monitored process [2024-11-13 23:35:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:29,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:29,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:29,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:29,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (586)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:29,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:29,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:29,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:29,602 INFO L229 MonitoredProcess]: Starting monitored process 587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:29,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (587)] Waiting until timeout for monitored process [2024-11-13 23:35:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:30,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:30,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:30,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:30,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (587)] Ended with exit code 0 [2024-11-13 23:35:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:30,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:30,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:30,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:30,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:30,813 INFO L229 MonitoredProcess]: Starting monitored process 588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:30,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (588)] Waiting until timeout for monitored process [2024-11-13 23:35:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:31,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:32,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:32,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:32,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (588)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:32,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:32,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:32,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:32,184 INFO L229 MonitoredProcess]: Starting monitored process 589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:32,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (589)] Waiting until timeout for monitored process [2024-11-13 23:35:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:33,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:33,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:33,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:33,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (589)] Ended with exit code 0 [2024-11-13 23:35:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:33,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:33,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:33,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:33,523 INFO L229 MonitoredProcess]: Starting monitored process 590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:33,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (590)] Waiting until timeout for monitored process [2024-11-13 23:35:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:34,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:34,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:34,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:34,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:34,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (590)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:34,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:34,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:34,714 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:34,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:34,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:34,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:34,716 INFO L229 MonitoredProcess]: Starting monitored process 591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:34,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (591)] Waiting until timeout for monitored process [2024-11-13 23:35:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:35,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:35,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:35,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:35,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (591)] Ended with exit code 0 [2024-11-13 23:35:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:35,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:35,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:35,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:35,962 INFO L229 MonitoredProcess]: Starting monitored process 592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:35,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (592)] Waiting until timeout for monitored process [2024-11-13 23:35:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:37,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:37,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:37,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:37,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:37,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (592)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:37,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:37,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:37,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:37,170 INFO L229 MonitoredProcess]: Starting monitored process 593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:37,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (593)] Waiting until timeout for monitored process [2024-11-13 23:35:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:38,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:38,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:38,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:38,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (593)] Ended with exit code 0 [2024-11-13 23:35:38,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:38,275 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:38,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:38,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:38,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:38,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:38,276 INFO L229 MonitoredProcess]: Starting monitored process 594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:38,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (594)] Waiting until timeout for monitored process [2024-11-13 23:35:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:39,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:39,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:39,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:39,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (594)] Ended with exit code 0 [2024-11-13 23:35:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:39,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:39,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:39,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:39,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:39,438 INFO L229 MonitoredProcess]: Starting monitored process 595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:39,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (595)] Waiting until timeout for monitored process [2024-11-13 23:35:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:40,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:40,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:40,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:40,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (595)] Ended with exit code 0 [2024-11-13 23:35:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:40,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:40,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:40,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:40,637 INFO L229 MonitoredProcess]: Starting monitored process 596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:40,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (596)] Waiting until timeout for monitored process [2024-11-13 23:35:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:41,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:41,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:41,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:41,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (596)] Ended with exit code 0 [2024-11-13 23:35:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:41,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:41,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:41,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:41,816 INFO L229 MonitoredProcess]: Starting monitored process 597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:41,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (597)] Waiting until timeout for monitored process [2024-11-13 23:35:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:42,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:42,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:42,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:43,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:43,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (597)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:43,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:43,084 INFO L229 MonitoredProcess]: Starting monitored process 598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:43,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (598)] Waiting until timeout for monitored process [2024-11-13 23:35:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:44,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:44,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:44,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:44,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (598)] Ended with exit code 0 [2024-11-13 23:35:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:44,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:44,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:44,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:44,293 INFO L229 MonitoredProcess]: Starting monitored process 599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:44,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (599)] Waiting until timeout for monitored process [2024-11-13 23:35:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:45,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:45,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:45,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:45,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (599)] Ended with exit code 0 [2024-11-13 23:35:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:45,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:45,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:45,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:45,471 INFO L229 MonitoredProcess]: Starting monitored process 600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:45,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (600)] Waiting until timeout for monitored process [2024-11-13 23:35:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:46,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:46,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:46,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:46,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (600)] Ended with exit code 0 [2024-11-13 23:35:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:46,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:46,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:46,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:46,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:46,737 INFO L229 MonitoredProcess]: Starting monitored process 601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:46,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (601)] Waiting until timeout for monitored process [2024-11-13 23:35:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:47,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:47,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:47,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:47,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (601)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:47,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:47,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:47,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:47,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:47,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:47,994 INFO L229 MonitoredProcess]: Starting monitored process 602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:47,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (602)] Waiting until timeout for monitored process [2024-11-13 23:35:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:49,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:49,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:49,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:49,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (602)] Ended with exit code 0 [2024-11-13 23:35:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:49,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:49,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:49,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:49,276 INFO L229 MonitoredProcess]: Starting monitored process 603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:49,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (603)] Waiting until timeout for monitored process [2024-11-13 23:35:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:50,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:50,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:50,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:50,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (603)] Forceful destruction successful, exit code 0 [2024-11-13 23:35:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:50,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:50,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:50,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:50,584 INFO L229 MonitoredProcess]: Starting monitored process 604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:50,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (604)] Waiting until timeout for monitored process [2024-11-13 23:35:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:51,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:51,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:51,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:52,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (604)] Ended with exit code 0 [2024-11-13 23:35:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:52,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:52,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:52,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:52,053 INFO L229 MonitoredProcess]: Starting monitored process 605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:52,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (605)] Waiting until timeout for monitored process [2024-11-13 23:35:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:53,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:53,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:53,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:53,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (605)] Ended with exit code 0 [2024-11-13 23:35:53,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:53,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:53,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:53,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:53,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:53,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:53,252 INFO L229 MonitoredProcess]: Starting monitored process 606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:53,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (606)] Waiting until timeout for monitored process [2024-11-13 23:35:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:54,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:54,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:54,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:54,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (606)] Ended with exit code 0 [2024-11-13 23:35:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:54,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:54,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:54,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:54,417 INFO L229 MonitoredProcess]: Starting monitored process 607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:54,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (607)] Waiting until timeout for monitored process [2024-11-13 23:35:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:55,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:55,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:55,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:55,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (607)] Ended with exit code 0 [2024-11-13 23:35:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:55,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:55,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:55,681 INFO L229 MonitoredProcess]: Starting monitored process 608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:55,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (608)] Waiting until timeout for monitored process [2024-11-13 23:35:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:56,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:56,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:56,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:56,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (608)] Ended with exit code 0 [2024-11-13 23:35:56,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:56,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:56,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:56,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:56,988 INFO L229 MonitoredProcess]: Starting monitored process 609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:56,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (609)] Waiting until timeout for monitored process [2024-11-13 23:35:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:58,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:58,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:58,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:58,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (609)] Ended with exit code 0 [2024-11-13 23:35:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:58,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:58,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:58,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:58,284 INFO L229 MonitoredProcess]: Starting monitored process 610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:58,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (610)] Waiting until timeout for monitored process [2024-11-13 23:35:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:59,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:35:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:35:59,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:35:59,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:35:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:35:59,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (610)] Ended with exit code 0 [2024-11-13 23:35:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:35:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:35:59,486 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:35:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:35:59,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:35:59,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:35:59,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:35:59,490 INFO L229 MonitoredProcess]: Starting monitored process 611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:35:59,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (611)] Waiting until timeout for monitored process [2024-11-13 23:36:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:00,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:00,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:00,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:00,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (611)] Ended with exit code 0 [2024-11-13 23:36:00,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:00,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:00,707 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:00,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:00,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:00,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:00,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:00,710 INFO L229 MonitoredProcess]: Starting monitored process 612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:00,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (612)] Waiting until timeout for monitored process [2024-11-13 23:36:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:01,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:01,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:01,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:01,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (612)] Ended with exit code 0 [2024-11-13 23:36:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:01,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:01,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:01,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:01,891 INFO L229 MonitoredProcess]: Starting monitored process 613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:01,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (613)] Waiting until timeout for monitored process [2024-11-13 23:36:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:02,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:02,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:02,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:03,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (613)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:03,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:03,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:03,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:03,034 INFO L229 MonitoredProcess]: Starting monitored process 614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:03,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (614)] Waiting until timeout for monitored process [2024-11-13 23:36:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:04,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:04,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:04,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:04,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (614)] Ended with exit code 0 [2024-11-13 23:36:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:04,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:04,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:04,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:04,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:04,240 INFO L229 MonitoredProcess]: Starting monitored process 615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:04,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (615)] Waiting until timeout for monitored process [2024-11-13 23:36:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:05,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:05,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:05,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:05,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (615)] Ended with exit code 0 [2024-11-13 23:36:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:05,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:05,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:05,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:05,496 INFO L229 MonitoredProcess]: Starting monitored process 616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:05,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (616)] Waiting until timeout for monitored process [2024-11-13 23:36:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:06,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:06,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:06,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:06,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (616)] Ended with exit code 0 [2024-11-13 23:36:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:06,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:06,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:06,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:06,710 INFO L229 MonitoredProcess]: Starting monitored process 617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:06,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (617)] Waiting until timeout for monitored process [2024-11-13 23:36:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:07,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:07,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:07,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:07,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (617)] Ended with exit code 0 [2024-11-13 23:36:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:07,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:07,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:07,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:07,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:07,910 INFO L229 MonitoredProcess]: Starting monitored process 618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:07,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (618)] Waiting until timeout for monitored process [2024-11-13 23:36:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:08,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:08,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:08,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:09,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (618)] Ended with exit code 0 [2024-11-13 23:36:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:09,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:09,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:09,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:09,113 INFO L229 MonitoredProcess]: Starting monitored process 619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:09,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (619)] Waiting until timeout for monitored process [2024-11-13 23:36:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:10,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:10,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:10,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:10,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (619)] Ended with exit code 0 [2024-11-13 23:36:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:10,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:10,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:10,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:10,401 INFO L229 MonitoredProcess]: Starting monitored process 620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:10,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (620)] Waiting until timeout for monitored process [2024-11-13 23:36:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:11,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:11,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:11,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:11,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (620)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:11,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:11,597 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:11,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:11,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:11,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:11,599 INFO L229 MonitoredProcess]: Starting monitored process 621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:11,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (621)] Waiting until timeout for monitored process [2024-11-13 23:36:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:12,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:12,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:12,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:12,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:12,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (621)] Ended with exit code 0 [2024-11-13 23:36:12,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:12,789 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:12,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:12,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:12,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:12,792 INFO L229 MonitoredProcess]: Starting monitored process 622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:12,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (622)] Waiting until timeout for monitored process [2024-11-13 23:36:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:13,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:13,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:13,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:13,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:13,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (622)] Ended with exit code 0 [2024-11-13 23:36:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:13,986 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:13,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:13,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:13,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:13,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:13,988 INFO L229 MonitoredProcess]: Starting monitored process 623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:13,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (623)] Waiting until timeout for monitored process [2024-11-13 23:36:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:15,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:15,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:15,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:15,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (623)] Ended with exit code 0 [2024-11-13 23:36:15,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:15,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:15,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:15,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:15,251 INFO L229 MonitoredProcess]: Starting monitored process 624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:15,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (624)] Waiting until timeout for monitored process [2024-11-13 23:36:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:16,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:16,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:16,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:16,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (624)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:16,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:16,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:16,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:16,519 INFO L229 MonitoredProcess]: Starting monitored process 625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:16,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (625)] Waiting until timeout for monitored process [2024-11-13 23:36:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:17,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:17,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:17,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:17,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:17,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (625)] Ended with exit code 0 [2024-11-13 23:36:17,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:17,848 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:17,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:17,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:17,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:17,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:17,851 INFO L229 MonitoredProcess]: Starting monitored process 626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:17,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (626)] Waiting until timeout for monitored process [2024-11-13 23:36:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:19,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:19,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:19,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:19,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (626)] Ended with exit code 0 [2024-11-13 23:36:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:19,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:19,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:19,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:19,249 INFO L229 MonitoredProcess]: Starting monitored process 627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:19,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (627)] Waiting until timeout for monitored process [2024-11-13 23:36:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:20,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:20,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:20,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:20,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (627)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:20,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:20,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:20,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:20,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:20,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:20,667 INFO L229 MonitoredProcess]: Starting monitored process 628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:20,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (628)] Waiting until timeout for monitored process [2024-11-13 23:36:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:21,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:21,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:21,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:21,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (628)] Ended with exit code 0 [2024-11-13 23:36:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:21,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:21,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:21,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:21,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:21,972 INFO L229 MonitoredProcess]: Starting monitored process 629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:21,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (629)] Waiting until timeout for monitored process [2024-11-13 23:36:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:23,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:23,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:23,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:23,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:23,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (629)] Ended with exit code 0 [2024-11-13 23:36:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:23,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:23,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:23,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:23,379 INFO L229 MonitoredProcess]: Starting monitored process 630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:23,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (630)] Waiting until timeout for monitored process [2024-11-13 23:36:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:24,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:24,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:24,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:24,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (630)] Ended with exit code 0 [2024-11-13 23:36:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:24,698 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:24,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:24,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:24,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:24,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:24,700 INFO L229 MonitoredProcess]: Starting monitored process 631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:24,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (631)] Waiting until timeout for monitored process [2024-11-13 23:36:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:25,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:25,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:25,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:26,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (631)] Ended with exit code 0 [2024-11-13 23:36:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:26,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:26,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:26,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:26,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:26,010 INFO L229 MonitoredProcess]: Starting monitored process 632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:26,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (632)] Waiting until timeout for monitored process [2024-11-13 23:36:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:27,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:27,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:27,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:27,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (632)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:27,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:27,332 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:27,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:27,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:27,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:27,334 INFO L229 MonitoredProcess]: Starting monitored process 633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:27,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (633)] Waiting until timeout for monitored process [2024-11-13 23:36:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:28,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:28,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:28,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:28,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (633)] Ended with exit code 0 [2024-11-13 23:36:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:28,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:28,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:28,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:28,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:28,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:28,752 INFO L229 MonitoredProcess]: Starting monitored process 634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:28,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (634)] Waiting until timeout for monitored process [2024-11-13 23:36:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:30,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:30,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:30,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:30,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (634)] Ended with exit code 0 [2024-11-13 23:36:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:30,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:30,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:30,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:30,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:30,231 INFO L229 MonitoredProcess]: Starting monitored process 635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:30,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (635)] Waiting until timeout for monitored process [2024-11-13 23:36:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:31,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:31,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:31,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:31,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (635)] Ended with exit code 0 [2024-11-13 23:36:31,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:31,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:31,611 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:31,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:31,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:31,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:31,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:31,613 INFO L229 MonitoredProcess]: Starting monitored process 636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:31,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (636)] Waiting until timeout for monitored process [2024-11-13 23:36:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:32,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:32,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:32,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:32,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:32,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (636)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:32,945 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:32,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:32,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:32,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:32,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:32,947 INFO L229 MonitoredProcess]: Starting monitored process 637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:32,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (637)] Waiting until timeout for monitored process [2024-11-13 23:36:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:33,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:34,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:34,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:34,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (637)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:34,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:34,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:34,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:34,145 INFO L229 MonitoredProcess]: Starting monitored process 638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:34,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (638)] Waiting until timeout for monitored process [2024-11-13 23:36:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:35,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:35,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:35,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:35,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (638)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:35,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:35,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:35,341 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:35,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:35,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:35,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:35,343 INFO L229 MonitoredProcess]: Starting monitored process 639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:35,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (639)] Waiting until timeout for monitored process [2024-11-13 23:36:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:36,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:36,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:36,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:36,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:36,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (639)] Ended with exit code 0 [2024-11-13 23:36:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:36,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:36,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:36,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:36,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:36,535 INFO L229 MonitoredProcess]: Starting monitored process 640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:36,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (640)] Waiting until timeout for monitored process [2024-11-13 23:36:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:37,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:37,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:37,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:37,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (640)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:37,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:37,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:37,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:37,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:37,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:37,770 INFO L229 MonitoredProcess]: Starting monitored process 641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:37,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (641)] Waiting until timeout for monitored process [2024-11-13 23:36:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:38,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:38,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:38,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:38,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (641)] Ended with exit code 0 [2024-11-13 23:36:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:38,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:38,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:38,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:38,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:38,972 INFO L229 MonitoredProcess]: Starting monitored process 642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:38,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (642)] Waiting until timeout for monitored process [2024-11-13 23:36:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:40,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:40,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:40,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:40,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (642)] Forceful destruction successful, exit code 0 [2024-11-13 23:36:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:40,248 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:40,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:40,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:40,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:40,251 INFO L229 MonitoredProcess]: Starting monitored process 643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:40,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (643)] Waiting until timeout for monitored process [2024-11-13 23:36:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:41,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:41,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:41,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:41,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (643)] Ended with exit code 0 [2024-11-13 23:36:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:41,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:41,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:41,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:41,441 INFO L229 MonitoredProcess]: Starting monitored process 644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:41,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (644)] Waiting until timeout for monitored process [2024-11-13 23:36:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:42,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:42,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:42,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:42,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (644)] Ended with exit code 0 [2024-11-13 23:36:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:42,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:42,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:42,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:42,644 INFO L229 MonitoredProcess]: Starting monitored process 645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:42,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (645)] Waiting until timeout for monitored process [2024-11-13 23:36:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:43,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:43,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:43,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:43,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (645)] Ended with exit code 0 [2024-11-13 23:36:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:43,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:43,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:43,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:43,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:43,926 INFO L229 MonitoredProcess]: Starting monitored process 646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:43,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (646)] Waiting until timeout for monitored process [2024-11-13 23:36:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:45,076 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:45,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:45,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:45,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (646)] Ended with exit code 0 [2024-11-13 23:36:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:45,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:45,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:45,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:45,245 INFO L229 MonitoredProcess]: Starting monitored process 647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:45,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (647)] Waiting until timeout for monitored process [2024-11-13 23:36:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:46,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:46,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:46,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:46,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (647)] Ended with exit code 0 [2024-11-13 23:36:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:46,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:46,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:46,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:46,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:46,645 INFO L229 MonitoredProcess]: Starting monitored process 648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:46,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (648)] Waiting until timeout for monitored process [2024-11-13 23:36:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:47,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:47,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:47,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:48,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (648)] Ended with exit code 0 [2024-11-13 23:36:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:48,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:48,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:48,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:48,105 INFO L229 MonitoredProcess]: Starting monitored process 649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:48,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (649)] Waiting until timeout for monitored process [2024-11-13 23:36:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:49,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:49,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:49,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:49,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (649)] Ended with exit code 0 [2024-11-13 23:36:49,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:49,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:49,564 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:49,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:49,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:49,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:49,567 INFO L229 MonitoredProcess]: Starting monitored process 650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:49,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (650)] Waiting until timeout for monitored process [2024-11-13 23:36:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:50,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:50,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:50,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:50,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (650)] Ended with exit code 0 [2024-11-13 23:36:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:50,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:50,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:50,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:50,955 INFO L229 MonitoredProcess]: Starting monitored process 651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:50,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (651)] Waiting until timeout for monitored process [2024-11-13 23:36:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:52,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:52,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:52,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:52,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (651)] Ended with exit code 0 [2024-11-13 23:36:52,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:52,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:52,188 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:52,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:52,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:52,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:52,190 INFO L229 MonitoredProcess]: Starting monitored process 652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:52,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (652)] Waiting until timeout for monitored process [2024-11-13 23:36:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:53,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:53,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:53,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:53,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:53,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (652)] Ended with exit code 0 [2024-11-13 23:36:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:53,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:53,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:53,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:53,494 INFO L229 MonitoredProcess]: Starting monitored process 653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:53,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (653)] Waiting until timeout for monitored process [2024-11-13 23:36:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:54,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:54,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:54,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:54,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (653)] Ended with exit code 0 [2024-11-13 23:36:54,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:54,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:54,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:54,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:54,803 INFO L229 MonitoredProcess]: Starting monitored process 654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:54,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (654)] Waiting until timeout for monitored process [2024-11-13 23:36:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:55,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:55,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:55,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:56,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (654)] Ended with exit code 0 [2024-11-13 23:36:56,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:56,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:56,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:56,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:56,100 INFO L229 MonitoredProcess]: Starting monitored process 655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:56,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (655)] Waiting until timeout for monitored process [2024-11-13 23:36:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:57,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:57,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:57,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:57,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (655)] Ended with exit code 0 [2024-11-13 23:36:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:57,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:57,331 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:57,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:57,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:57,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:57,333 INFO L229 MonitoredProcess]: Starting monitored process 656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:57,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (656)] Waiting until timeout for monitored process [2024-11-13 23:36:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:58,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:58,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:58,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:58,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:58,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (656)] Ended with exit code 0 [2024-11-13 23:36:58,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:58,477 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:58,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:58,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:58,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:58,479 INFO L229 MonitoredProcess]: Starting monitored process 657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:58,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (657)] Waiting until timeout for monitored process [2024-11-13 23:36:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:59,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:36:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:36:59,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:36:59,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:36:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:36:59,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (657)] Ended with exit code 0 [2024-11-13 23:36:59,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:36:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:36:59,648 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:36:59,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:36:59,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:36:59,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:36:59,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:36:59,651 INFO L229 MonitoredProcess]: Starting monitored process 658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:36:59,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (658)] Waiting until timeout for monitored process [2024-11-13 23:37:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:00,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:00,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:00,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:00,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (658)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:00,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:00,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:00,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:00,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:00,798 INFO L229 MonitoredProcess]: Starting monitored process 659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:00,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (659)] Waiting until timeout for monitored process [2024-11-13 23:37:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:01,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:01,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:01,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:01,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (659)] Ended with exit code 0 [2024-11-13 23:37:01,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:01,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:01,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:01,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:01,951 INFO L229 MonitoredProcess]: Starting monitored process 660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:01,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (660)] Waiting until timeout for monitored process [2024-11-13 23:37:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:02,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:02,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:02,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:03,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (660)] Ended with exit code 0 [2024-11-13 23:37:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:03,101 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:03,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:03,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:03,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:03,103 INFO L229 MonitoredProcess]: Starting monitored process 661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:03,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (661)] Waiting until timeout for monitored process [2024-11-13 23:37:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:04,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:04,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:04,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:04,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (661)] Ended with exit code 0 [2024-11-13 23:37:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:04,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:04,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:04,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:04,251 INFO L229 MonitoredProcess]: Starting monitored process 662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:04,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (662)] Waiting until timeout for monitored process [2024-11-13 23:37:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:05,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:05,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:05,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:05,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (662)] Ended with exit code 0 [2024-11-13 23:37:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:05,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:05,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:05,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:05,407 INFO L229 MonitoredProcess]: Starting monitored process 663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:05,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (663)] Waiting until timeout for monitored process [2024-11-13 23:37:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:06,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:06,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:06,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:06,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (663)] Ended with exit code 0 [2024-11-13 23:37:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:06,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:06,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:06,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:06,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:06,597 INFO L229 MonitoredProcess]: Starting monitored process 664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:06,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (664)] Waiting until timeout for monitored process [2024-11-13 23:37:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:07,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:07,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:07,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:07,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (664)] Ended with exit code 0 [2024-11-13 23:37:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:07,822 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:07,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:07,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:07,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:07,824 INFO L229 MonitoredProcess]: Starting monitored process 665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:07,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (665)] Waiting until timeout for monitored process [2024-11-13 23:37:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:08,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:08,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:08,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:09,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (665)] Ended with exit code 0 [2024-11-13 23:37:09,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:09,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:09,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:09,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:09,124 INFO L229 MonitoredProcess]: Starting monitored process 666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:09,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (666)] Waiting until timeout for monitored process [2024-11-13 23:37:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:10,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:10,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:10,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:10,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:10,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (666)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:10,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:10,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:10,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:10,506 INFO L229 MonitoredProcess]: Starting monitored process 667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:10,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (667)] Waiting until timeout for monitored process [2024-11-13 23:37:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:11,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:11,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:11,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:11,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (667)] Ended with exit code 0 [2024-11-13 23:37:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:11,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:11,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:11,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:11,879 INFO L229 MonitoredProcess]: Starting monitored process 668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:11,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (668)] Waiting until timeout for monitored process [2024-11-13 23:37:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:13,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:13,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:13,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:13,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (668)] Ended with exit code 0 [2024-11-13 23:37:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:13,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:13,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:13,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:13,160 INFO L229 MonitoredProcess]: Starting monitored process 669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:13,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (669)] Waiting until timeout for monitored process [2024-11-13 23:37:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:14,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:14,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:14,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:14,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (669)] Ended with exit code 0 [2024-11-13 23:37:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:14,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:14,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:14,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:14,426 INFO L229 MonitoredProcess]: Starting monitored process 670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:14,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (670)] Waiting until timeout for monitored process [2024-11-13 23:37:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:15,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:15,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:15,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:15,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (670)] Ended with exit code 0 [2024-11-13 23:37:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:15,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:15,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:15,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:15,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:15,682 INFO L229 MonitoredProcess]: Starting monitored process 671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:15,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (671)] Waiting until timeout for monitored process [2024-11-13 23:37:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:16,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:16,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:16,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:16,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (671)] Ended with exit code 0 [2024-11-13 23:37:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:16,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:16,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:16,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:16,839 INFO L229 MonitoredProcess]: Starting monitored process 672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:16,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (672)] Waiting until timeout for monitored process [2024-11-13 23:37:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:17,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:17,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:17,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:17,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (672)] Ended with exit code 0 [2024-11-13 23:37:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:17,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:18,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:18,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:18,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:18,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:18,002 INFO L229 MonitoredProcess]: Starting monitored process 673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:18,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (673)] Waiting until timeout for monitored process [2024-11-13 23:37:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:19,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:19,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:19,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:19,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (673)] Ended with exit code 0 [2024-11-13 23:37:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:19,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:19,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:19,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:19,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:19,177 INFO L229 MonitoredProcess]: Starting monitored process 674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:19,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (674)] Waiting until timeout for monitored process [2024-11-13 23:37:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:20,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:20,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:20,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:20,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:20,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (674)] Ended with exit code 0 [2024-11-13 23:37:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:20,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:20,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:20,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:20,379 INFO L229 MonitoredProcess]: Starting monitored process 675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:20,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (675)] Waiting until timeout for monitored process [2024-11-13 23:37:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:21,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:21,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:21,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:21,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:21,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (675)] Ended with exit code 0 [2024-11-13 23:37:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:21,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:21,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:21,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:21,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:21,539 INFO L229 MonitoredProcess]: Starting monitored process 676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:21,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (676)] Waiting until timeout for monitored process [2024-11-13 23:37:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:22,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:22,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:22,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:22,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (676)] Ended with exit code 0 [2024-11-13 23:37:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:22,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:22,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:22,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:22,685 INFO L229 MonitoredProcess]: Starting monitored process 677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:22,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (677)] Waiting until timeout for monitored process [2024-11-13 23:37:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:23,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:23,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:23,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:23,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (677)] Ended with exit code 0 [2024-11-13 23:37:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:23,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:23,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:23,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:23,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:23,841 INFO L229 MonitoredProcess]: Starting monitored process 678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:23,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (678)] Waiting until timeout for monitored process [2024-11-13 23:37:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:24,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:24,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:24,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:24,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (678)] Ended with exit code 0 [2024-11-13 23:37:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:25,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:25,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:25,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:25,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:25,004 INFO L229 MonitoredProcess]: Starting monitored process 679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:25,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (679)] Waiting until timeout for monitored process [2024-11-13 23:37:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:26,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:26,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:26,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:26,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (679)] Ended with exit code 0 [2024-11-13 23:37:26,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:26,177 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:26,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:26,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:26,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:26,179 INFO L229 MonitoredProcess]: Starting monitored process 680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:26,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (680)] Waiting until timeout for monitored process [2024-11-13 23:37:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:27,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:27,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:27,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:27,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (680)] Ended with exit code 0 [2024-11-13 23:37:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:27,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:27,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:27,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:27,439 INFO L229 MonitoredProcess]: Starting monitored process 681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:27,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (681)] Waiting until timeout for monitored process [2024-11-13 23:37:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:28,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:28,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:28,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:28,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (681)] Ended with exit code 0 [2024-11-13 23:37:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:28,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:28,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:28,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:28,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:28,703 INFO L229 MonitoredProcess]: Starting monitored process 682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:28,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (682)] Waiting until timeout for monitored process [2024-11-13 23:37:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:29,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:29,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:29,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:30,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (682)] Ended with exit code 0 [2024-11-13 23:37:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:30,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:30,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:30,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:30,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:30,104 INFO L229 MonitoredProcess]: Starting monitored process 683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:30,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (683)] Waiting until timeout for monitored process [2024-11-13 23:37:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:31,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:31,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:31,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:31,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (683)] Ended with exit code 0 [2024-11-13 23:37:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:31,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:31,471 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:31,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:31,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:31,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:31,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:31,473 INFO L229 MonitoredProcess]: Starting monitored process 684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:31,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (684)] Waiting until timeout for monitored process [2024-11-13 23:37:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:32,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:32,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:32,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:32,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (684)] Ended with exit code 0 [2024-11-13 23:37:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:32,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:32,863 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:32,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:32,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:32,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:32,865 INFO L229 MonitoredProcess]: Starting monitored process 685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:32,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (685)] Waiting until timeout for monitored process [2024-11-13 23:37:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:34,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:34,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:34,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:34,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (685)] Ended with exit code 0 [2024-11-13 23:37:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:34,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:34,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:34,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:34,299 INFO L229 MonitoredProcess]: Starting monitored process 686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:34,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (686)] Waiting until timeout for monitored process [2024-11-13 23:37:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:35,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:35,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:35,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:35,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (686)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:35,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:35,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:35,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:35,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:35,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:35,686 INFO L229 MonitoredProcess]: Starting monitored process 687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:35,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (687)] Waiting until timeout for monitored process [2024-11-13 23:37:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:36,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:36,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:36,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:37,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (687)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:37,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:37,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:37,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:37,120 INFO L229 MonitoredProcess]: Starting monitored process 688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:37,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (688)] Waiting until timeout for monitored process [2024-11-13 23:37:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:38,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:38,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:38,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:38,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (688)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:38,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:38,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:38,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:38,538 INFO L229 MonitoredProcess]: Starting monitored process 689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:38,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (689)] Waiting until timeout for monitored process [2024-11-13 23:37:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:39,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:39,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:39,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:39,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (689)] Ended with exit code 0 [2024-11-13 23:37:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:39,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:39,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:39,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:39,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:39,846 INFO L229 MonitoredProcess]: Starting monitored process 690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:39,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (690)] Waiting until timeout for monitored process [2024-11-13 23:37:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:40,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:40,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:40,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:41,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:41,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (690)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:41,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:41,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:41,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:41,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:41,121 INFO L229 MonitoredProcess]: Starting monitored process 691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:41,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (691)] Waiting until timeout for monitored process [2024-11-13 23:37:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:42,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:42,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:42,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:42,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (691)] Ended with exit code 0 [2024-11-13 23:37:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:42,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:42,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:42,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:42,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:42,388 INFO L229 MonitoredProcess]: Starting monitored process 692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:42,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (692)] Waiting until timeout for monitored process [2024-11-13 23:37:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:43,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:43,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:43,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:43,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (692)] Ended with exit code 0 [2024-11-13 23:37:43,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:43,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:43,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:43,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:43,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:43,747 INFO L229 MonitoredProcess]: Starting monitored process 693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:43,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (693)] Waiting until timeout for monitored process [2024-11-13 23:37:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:44,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:44,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:44,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:45,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (693)] Ended with exit code 0 [2024-11-13 23:37:45,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:45,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:45,107 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:45,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:45,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:45,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:45,109 INFO L229 MonitoredProcess]: Starting monitored process 694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:45,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (694)] Waiting until timeout for monitored process [2024-11-13 23:37:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:46,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:46,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:46,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:46,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (694)] Ended with exit code 0 [2024-11-13 23:37:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:46,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:46,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:46,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:46,399 INFO L229 MonitoredProcess]: Starting monitored process 695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:46,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (695)] Waiting until timeout for monitored process [2024-11-13 23:37:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:47,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:47,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:47,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:47,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (695)] Ended with exit code 0 [2024-11-13 23:37:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:47,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:47,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:47,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:47,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:47,594 INFO L229 MonitoredProcess]: Starting monitored process 696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:47,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (696)] Waiting until timeout for monitored process [2024-11-13 23:37:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:48,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:48,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:48,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:48,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (696)] Ended with exit code 0 [2024-11-13 23:37:48,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:48,765 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:48,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:48,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:48,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:48,767 INFO L229 MonitoredProcess]: Starting monitored process 697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:48,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (697)] Waiting until timeout for monitored process [2024-11-13 23:37:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:49,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:49,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:49,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:49,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (697)] Ended with exit code 0 [2024-11-13 23:37:49,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:49,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:49,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:49,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:49,970 INFO L229 MonitoredProcess]: Starting monitored process 698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:49,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (698)] Waiting until timeout for monitored process [2024-11-13 23:37:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:50,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:51,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:51,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:51,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (698)] Ended with exit code 0 [2024-11-13 23:37:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:51,138 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:51,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:51,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:51,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:51,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:51,140 INFO L229 MonitoredProcess]: Starting monitored process 699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:51,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (699)] Waiting until timeout for monitored process [2024-11-13 23:37:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:52,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:52,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:52,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:52,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (699)] Ended with exit code 0 [2024-11-13 23:37:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:52,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:52,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:52,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:52,296 INFO L229 MonitoredProcess]: Starting monitored process 700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:52,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (700)] Waiting until timeout for monitored process [2024-11-13 23:37:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:53,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:53,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:53,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:53,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (700)] Forceful destruction successful, exit code 0 [2024-11-13 23:37:53,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:53,466 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:53,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:53,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:53,468 INFO L229 MonitoredProcess]: Starting monitored process 701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:53,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (701)] Waiting until timeout for monitored process [2024-11-13 23:37:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:54,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:54,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:54,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:54,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (701)] Ended with exit code 0 [2024-11-13 23:37:54,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:54,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:54,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:54,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:54,637 INFO L229 MonitoredProcess]: Starting monitored process 702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:54,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (702)] Waiting until timeout for monitored process [2024-11-13 23:37:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:55,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:55,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:55,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:55,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (702)] Ended with exit code 0 [2024-11-13 23:37:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:55,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:55,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:55,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:55,810 INFO L229 MonitoredProcess]: Starting monitored process 703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:55,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (703)] Waiting until timeout for monitored process [2024-11-13 23:37:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:56,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:56,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:56,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:57,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (703)] Ended with exit code 0 [2024-11-13 23:37:57,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:57,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:57,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:57,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:57,086 INFO L229 MonitoredProcess]: Starting monitored process 704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:57,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (704)] Waiting until timeout for monitored process [2024-11-13 23:37:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:58,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:58,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:58,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:58,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (704)] Ended with exit code 0 [2024-11-13 23:37:58,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:58,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:58,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:58,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:58,412 INFO L229 MonitoredProcess]: Starting monitored process 705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:58,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (705)] Waiting until timeout for monitored process [2024-11-13 23:37:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:59,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:37:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:37:59,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:37:59,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:37:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:37:59,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (705)] Ended with exit code 0 [2024-11-13 23:37:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:37:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:37:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:37:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:37:59,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:37:59,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:37:59,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:37:59,840 INFO L229 MonitoredProcess]: Starting monitored process 706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:37:59,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (706)] Waiting until timeout for monitored process [2024-11-13 23:38:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:01,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:01,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:01,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:01,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:01,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (706)] Ended with exit code 0 [2024-11-13 23:38:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:01,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:01,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:01,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:01,241 INFO L229 MonitoredProcess]: Starting monitored process 707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:01,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (707)] Waiting until timeout for monitored process [2024-11-13 23:38:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:02,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:02,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:02,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:02,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (707)] Ended with exit code 0 [2024-11-13 23:38:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:02,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:02,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:02,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:02,673 INFO L229 MonitoredProcess]: Starting monitored process 708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:02,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (708)] Waiting until timeout for monitored process [2024-11-13 23:38:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:03,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:03,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:03,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:04,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (708)] Ended with exit code 0 [2024-11-13 23:38:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:04,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:04,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:04,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:04,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:04,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:04,156 INFO L229 MonitoredProcess]: Starting monitored process 709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:04,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (709)] Waiting until timeout for monitored process [2024-11-13 23:38:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:05,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:05,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:05,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:05,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:05,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (709)] Ended with exit code 0 [2024-11-13 23:38:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:05,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:05,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:05,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:05,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:05,580 INFO L229 MonitoredProcess]: Starting monitored process 710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:05,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (710)] Waiting until timeout for monitored process [2024-11-13 23:38:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:06,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:06,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:06,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:06,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (710)] Ended with exit code 0 [2024-11-13 23:38:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:06,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:06,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:06,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:06,939 INFO L229 MonitoredProcess]: Starting monitored process 711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:06,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (711)] Waiting until timeout for monitored process [2024-11-13 23:38:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:08,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:08,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:08,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:08,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (711)] Ended with exit code 0 [2024-11-13 23:38:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:08,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:08,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:08,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:08,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:08,204 INFO L229 MonitoredProcess]: Starting monitored process 712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:08,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (712)] Waiting until timeout for monitored process [2024-11-13 23:38:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:09,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:09,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:09,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:09,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (712)] Ended with exit code 0 [2024-11-13 23:38:09,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:09,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:09,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:09,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:09,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:09,478 INFO L229 MonitoredProcess]: Starting monitored process 713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:09,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (713)] Waiting until timeout for monitored process [2024-11-13 23:38:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:10,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:10,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:10,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:10,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (713)] Ended with exit code 0 [2024-11-13 23:38:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:10,828 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:10,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:10,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:10,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:10,830 INFO L229 MonitoredProcess]: Starting monitored process 714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:10,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (714)] Waiting until timeout for monitored process [2024-11-13 23:38:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:11,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:11,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:11,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:12,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (714)] Ended with exit code 0 [2024-11-13 23:38:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:12,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:12,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:12,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:12,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:12,107 INFO L229 MonitoredProcess]: Starting monitored process 715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:12,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (715)] Waiting until timeout for monitored process [2024-11-13 23:38:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:13,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:13,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:13,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:13,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (715)] Forceful destruction successful, exit code 0 [2024-11-13 23:38:13,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:13,465 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:13,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:13,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:13,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:13,467 INFO L229 MonitoredProcess]: Starting monitored process 716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:13,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (716)] Waiting until timeout for monitored process [2024-11-13 23:38:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:14,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:14,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:14,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:14,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:14,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (716)] Ended with exit code 0 [2024-11-13 23:38:14,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:14,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:14,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:14,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:14,838 INFO L229 MonitoredProcess]: Starting monitored process 717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:14,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (717)] Waiting until timeout for monitored process [2024-11-13 23:38:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:15,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:15,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:15,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:16,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (717)] Ended with exit code 0 [2024-11-13 23:38:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:16,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:16,071 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:16,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:16,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:16,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:16,073 INFO L229 MonitoredProcess]: Starting monitored process 718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:16,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (718)] Waiting until timeout for monitored process [2024-11-13 23:38:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:17,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:17,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:17,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:17,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (718)] Ended with exit code 0 [2024-11-13 23:38:17,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:17,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:17,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:17,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:17,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:17,246 INFO L229 MonitoredProcess]: Starting monitored process 719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:17,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (719)] Waiting until timeout for monitored process [2024-11-13 23:38:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:18,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:18,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:18,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:18,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (719)] Ended with exit code 0 [2024-11-13 23:38:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:18,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:18,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:18,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:18,418 INFO L229 MonitoredProcess]: Starting monitored process 720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:18,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (720)] Waiting until timeout for monitored process [2024-11-13 23:38:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:19,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:19,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:19,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:19,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (720)] Ended with exit code 0 [2024-11-13 23:38:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:19,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:19,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:19,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:19,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:19,680 INFO L229 MonitoredProcess]: Starting monitored process 721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:19,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (721)] Waiting until timeout for monitored process [2024-11-13 23:38:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:20,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:20,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:20,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:20,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (721)] Forceful destruction successful, exit code 0 [2024-11-13 23:38:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:20,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:20,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:20,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:20,878 INFO L229 MonitoredProcess]: Starting monitored process 722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:20,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (722)] Waiting until timeout for monitored process [2024-11-13 23:38:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:21,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:21,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:21,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:22,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (722)] Ended with exit code 0 [2024-11-13 23:38:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:22,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:22,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:22,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:22,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:22,064 INFO L229 MonitoredProcess]: Starting monitored process 723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:22,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (723)] Waiting until timeout for monitored process [2024-11-13 23:38:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:23,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:23,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:23,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:23,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (723)] Ended with exit code 0 [2024-11-13 23:38:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:23,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:23,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:23,245 INFO L229 MonitoredProcess]: Starting monitored process 724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:23,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (724)] Waiting until timeout for monitored process [2024-11-13 23:38:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:24,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:24,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:24,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:24,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:24,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (724)] Ended with exit code 0 [2024-11-13 23:38:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:24,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:24,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:24,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:24,431 INFO L229 MonitoredProcess]: Starting monitored process 725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:24,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (725)] Waiting until timeout for monitored process [2024-11-13 23:38:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:25,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:25,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:25,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:25,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (725)] Ended with exit code 0 [2024-11-13 23:38:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:25,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:25,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:25,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:25,621 INFO L229 MonitoredProcess]: Starting monitored process 726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:25,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (726)] Waiting until timeout for monitored process [2024-11-13 23:38:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:26,743 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:26,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:26,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:26,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (726)] Forceful destruction successful, exit code 0 [2024-11-13 23:38:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:26,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:26,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:26,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:26,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:26,903 INFO L229 MonitoredProcess]: Starting monitored process 727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:26,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (727)] Waiting until timeout for monitored process [2024-11-13 23:38:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:28,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:28,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:28,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:28,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (727)] Ended with exit code 0 [2024-11-13 23:38:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:28,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:28,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:28,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:28,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:28,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:28,189 INFO L229 MonitoredProcess]: Starting monitored process 728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:28,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (728)] Waiting until timeout for monitored process [2024-11-13 23:38:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:29,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:29,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:29,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:29,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (728)] Ended with exit code 0 [2024-11-13 23:38:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:29,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:29,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:29,593 INFO L229 MonitoredProcess]: Starting monitored process 729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:29,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (729)] Waiting until timeout for monitored process [2024-11-13 23:38:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:30,873 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:30,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:30,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:31,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (729)] Ended with exit code 0 [2024-11-13 23:38:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:31,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:31,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:31,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:31,029 INFO L229 MonitoredProcess]: Starting monitored process 730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:31,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (730)] Waiting until timeout for monitored process [2024-11-13 23:38:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:32,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:32,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:32,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:32,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (730)] Ended with exit code 0 [2024-11-13 23:38:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:32,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:32,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:32,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:32,403 INFO L229 MonitoredProcess]: Starting monitored process 731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:32,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (731)] Waiting until timeout for monitored process [2024-11-13 23:38:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:33,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:33,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:33,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:33,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (731)] Ended with exit code 0 [2024-11-13 23:38:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:33,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:33,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:33,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:33,803 INFO L229 MonitoredProcess]: Starting monitored process 732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:33,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (732)] Waiting until timeout for monitored process [2024-11-13 23:38:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:35,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:35,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:35,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:35,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (732)] Forceful destruction successful, exit code 0 [2024-11-13 23:38:35,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:35,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:35,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:35,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:35,188 INFO L229 MonitoredProcess]: Starting monitored process 733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:35,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2024-11-13 23:38:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:36,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:36,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:36,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:36,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (733)] Ended with exit code 0 [2024-11-13 23:38:36,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:36,551 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:36,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:36,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:36,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:36,553 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:36,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2024-11-13 23:38:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:37,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:37,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:37,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:37,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (734)] Ended with exit code 0 [2024-11-13 23:38:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:37,997 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:37,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:37,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:37,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:37,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:37,999 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:38,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2024-11-13 23:38:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:39,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:39,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:39,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:39,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (735)] Ended with exit code 0 [2024-11-13 23:38:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:39,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:39,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:39,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:39,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:39,372 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:39,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2024-11-13 23:38:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:40,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:40,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:40,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:40,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (736)] Ended with exit code 0 [2024-11-13 23:38:40,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:40,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:40,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:40,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:40,842 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:40,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2024-11-13 23:38:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:42,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:42,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:42,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:42,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2024-11-13 23:38:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:42,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:42,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:42,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:42,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:42,274 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:42,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2024-11-13 23:38:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:43,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:43,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:43,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:43,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (738)] Ended with exit code 0 [2024-11-13 23:38:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:43,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:43,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:43,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:43,737 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:43,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2024-11-13 23:38:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:45,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:45,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:45,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:45,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (739)] Ended with exit code 0 [2024-11-13 23:38:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:45,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:45,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:45,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:45,274 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:45,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2024-11-13 23:38:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:46,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:46,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:46,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:46,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (740)] Ended with exit code 0 [2024-11-13 23:38:46,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:46,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:46,744 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:46,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:46,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:46,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:46,746 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:46,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2024-11-13 23:38:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:48,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:48,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:48,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:48,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:48,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (741)] Ended with exit code 0 [2024-11-13 23:38:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:48,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:48,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:48,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:48,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:48,197 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:48,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2024-11-13 23:38:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:49,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:49,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:49,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:49,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (742)] Ended with exit code 0 [2024-11-13 23:38:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:49,703 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:49,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:49,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:49,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:49,707 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:49,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2024-11-13 23:38:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:50,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:51,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:51,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:51,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:51,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (743)] Ended with exit code 0 [2024-11-13 23:38:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:51,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:51,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:51,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:51,160 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:51,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2024-11-13 23:38:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:52,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:52,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:52,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:52,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (744)] Ended with exit code 0 [2024-11-13 23:38:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:52,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:52,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:52,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:52,650 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:52,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2024-11-13 23:38:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:53,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:53,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:53,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:54,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (745)] Forceful destruction successful, exit code 0 [2024-11-13 23:38:54,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:54,087 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:54,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:54,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:54,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:54,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:54,089 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:54,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2024-11-13 23:38:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:55,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:55,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:55,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:55,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (746)] Ended with exit code 0 [2024-11-13 23:38:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:55,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:55,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:55,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:55,536 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:55,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2024-11-13 23:38:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:56,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:56,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:56,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:56,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (747)] Ended with exit code 0 [2024-11-13 23:38:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:56,836 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:56,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:56,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:56,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:56,838 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:56,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2024-11-13 23:38:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:57,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:58,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:58,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:58,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (748)] Ended with exit code 0 [2024-11-13 23:38:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:58,142 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:58,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:58,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:58,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:58,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:58,144 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:58,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2024-11-13 23:38:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:59,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:38:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:59,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:38:59,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:38:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:38:59,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (749)] Forceful destruction successful, exit code 0 [2024-11-13 23:38:59,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:38:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:38:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:38:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:38:59,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:38:59,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:38:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:38:59,442 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:38:59,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2024-11-13 23:39:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:00,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:00,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:00,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:00,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:00,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (750)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:00,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:00,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:00,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:00,780 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:00,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2024-11-13 23:39:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:02,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:02,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:02,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:02,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (751)] Ended with exit code 0 [2024-11-13 23:39:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:02,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:02,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:02,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:02,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:02,225 INFO L229 MonitoredProcess]: Starting monitored process 752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:02,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (752)] Waiting until timeout for monitored process [2024-11-13 23:39:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:03,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:03,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:03,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:03,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (752)] Ended with exit code 0 [2024-11-13 23:39:03,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:03,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:03,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:03,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:03,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:03,684 INFO L229 MonitoredProcess]: Starting monitored process 753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:03,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (753)] Waiting until timeout for monitored process [2024-11-13 23:39:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:04,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:04,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:04,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:04,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (753)] Ended with exit code 0 [2024-11-13 23:39:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:04,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:04,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:04,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:04,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:04,959 INFO L229 MonitoredProcess]: Starting monitored process 754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:04,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (754)] Waiting until timeout for monitored process [2024-11-13 23:39:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:06,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:06,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:06,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:06,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (754)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:06,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:06,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:06,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:06,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:06,162 INFO L229 MonitoredProcess]: Starting monitored process 755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:06,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (755)] Waiting until timeout for monitored process [2024-11-13 23:39:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:07,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:07,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:07,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:07,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (755)] Ended with exit code 0 [2024-11-13 23:39:07,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:07,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:07,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:07,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:07,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:07,404 INFO L229 MonitoredProcess]: Starting monitored process 756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:07,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (756)] Waiting until timeout for monitored process [2024-11-13 23:39:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:08,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:08,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:08,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:08,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (756)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:08,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:08,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:08,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:08,607 INFO L229 MonitoredProcess]: Starting monitored process 757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:08,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (757)] Waiting until timeout for monitored process [2024-11-13 23:39:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:09,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:09,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:09,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:09,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (757)] Ended with exit code 0 [2024-11-13 23:39:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:09,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:09,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:09,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:09,959 INFO L229 MonitoredProcess]: Starting monitored process 758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:09,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (758)] Waiting until timeout for monitored process [2024-11-13 23:39:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:11,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:11,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:11,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:11,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (758)] Ended with exit code 0 [2024-11-13 23:39:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:11,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:11,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:11,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:11,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:11,167 INFO L229 MonitoredProcess]: Starting monitored process 759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:11,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (759)] Waiting until timeout for monitored process [2024-11-13 23:39:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:12,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:12,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:12,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:12,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (759)] Ended with exit code 0 [2024-11-13 23:39:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:12,384 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:12,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:12,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:12,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:12,386 INFO L229 MonitoredProcess]: Starting monitored process 760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:12,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (760)] Waiting until timeout for monitored process [2024-11-13 23:39:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:13,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:13,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:13,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:13,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (760)] Ended with exit code 0 [2024-11-13 23:39:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:13,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:13,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:13,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:13,588 INFO L229 MonitoredProcess]: Starting monitored process 761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:13,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (761)] Waiting until timeout for monitored process [2024-11-13 23:39:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:14,676 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:14,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:14,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:14,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (761)] Ended with exit code 0 [2024-11-13 23:39:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:14,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:14,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:14,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:14,835 INFO L229 MonitoredProcess]: Starting monitored process 762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:14,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (762)] Waiting until timeout for monitored process [2024-11-13 23:39:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:15,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:16,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:16,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:16,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (762)] Ended with exit code 0 [2024-11-13 23:39:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:16,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:16,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:16,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:16,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:16,152 INFO L229 MonitoredProcess]: Starting monitored process 763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:16,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (763)] Waiting until timeout for monitored process [2024-11-13 23:39:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:17,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:17,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:17,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:17,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (763)] Ended with exit code 0 [2024-11-13 23:39:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:17,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:17,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:17,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:17,466 INFO L229 MonitoredProcess]: Starting monitored process 764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:17,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (764)] Waiting until timeout for monitored process [2024-11-13 23:39:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:18,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:18,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:18,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:18,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (764)] Ended with exit code 0 [2024-11-13 23:39:18,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:18,677 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:18,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:18,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:18,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:18,679 INFO L229 MonitoredProcess]: Starting monitored process 765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:18,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (765)] Waiting until timeout for monitored process [2024-11-13 23:39:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:19,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:19,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:19,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:19,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (765)] Ended with exit code 0 [2024-11-13 23:39:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:19,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:19,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:19,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:19,989 INFO L229 MonitoredProcess]: Starting monitored process 766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:19,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (766)] Waiting until timeout for monitored process [2024-11-13 23:39:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:21,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:21,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:21,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:21,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (766)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:21,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:21,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:21,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:21,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:21,193 INFO L229 MonitoredProcess]: Starting monitored process 767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:21,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (767)] Waiting until timeout for monitored process [2024-11-13 23:39:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:22,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:22,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:22,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:22,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (767)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:22,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:22,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:22,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:22,387 INFO L229 MonitoredProcess]: Starting monitored process 768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:22,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (768)] Waiting until timeout for monitored process [2024-11-13 23:39:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:23,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:23,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:23,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:23,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:23,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (768)] Ended with exit code 0 [2024-11-13 23:39:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:23,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:23,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:23,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:23,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:23,605 INFO L229 MonitoredProcess]: Starting monitored process 769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:23,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (769)] Waiting until timeout for monitored process [2024-11-13 23:39:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:24,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:24,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:24,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:24,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (769)] Ended with exit code 0 [2024-11-13 23:39:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:24,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:24,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:24,809 INFO L229 MonitoredProcess]: Starting monitored process 770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:24,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (770)] Waiting until timeout for monitored process [2024-11-13 23:39:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:25,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:25,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:25,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:26,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (770)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:26,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:26,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:26,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:26,093 INFO L229 MonitoredProcess]: Starting monitored process 771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:26,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (771)] Waiting until timeout for monitored process [2024-11-13 23:39:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:27,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:27,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:27,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:27,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (771)] Ended with exit code 0 [2024-11-13 23:39:27,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:27,329 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:27,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:27,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:27,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:27,331 INFO L229 MonitoredProcess]: Starting monitored process 772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:27,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (772)] Waiting until timeout for monitored process [2024-11-13 23:39:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:28,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:28,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:28,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:28,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:28,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (772)] Ended with exit code 0 [2024-11-13 23:39:28,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:28,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:28,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:28,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:28,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:28,551 INFO L229 MonitoredProcess]: Starting monitored process 773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:28,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (773)] Waiting until timeout for monitored process [2024-11-13 23:39:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:29,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:29,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:29,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:29,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (773)] Ended with exit code 0 [2024-11-13 23:39:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:29,759 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:29,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:29,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:29,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:29,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:29,761 INFO L229 MonitoredProcess]: Starting monitored process 774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:29,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (774)] Waiting until timeout for monitored process [2024-11-13 23:39:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:31,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:31,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:31,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:31,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (774)] Ended with exit code 0 [2024-11-13 23:39:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:31,164 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:31,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:31,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:31,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:31,166 INFO L229 MonitoredProcess]: Starting monitored process 775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:31,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (775)] Waiting until timeout for monitored process [2024-11-13 23:39:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:32,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:32,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:32,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:32,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:32,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (775)] Ended with exit code 0 [2024-11-13 23:39:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:32,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:32,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:32,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:32,618 INFO L229 MonitoredProcess]: Starting monitored process 776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:32,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (776)] Waiting until timeout for monitored process [2024-11-13 23:39:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:33,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:33,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:33,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:34,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (776)] Ended with exit code 0 [2024-11-13 23:39:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:34,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:34,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:34,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:34,016 INFO L229 MonitoredProcess]: Starting monitored process 777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:34,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (777)] Waiting until timeout for monitored process [2024-11-13 23:39:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:35,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:35,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:35,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:35,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (777)] Ended with exit code 0 [2024-11-13 23:39:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:35,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:35,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:35,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:35,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:35,416 INFO L229 MonitoredProcess]: Starting monitored process 778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:35,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (778)] Waiting until timeout for monitored process [2024-11-13 23:39:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:36,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:36,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:36,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:36,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (778)] Ended with exit code 0 [2024-11-13 23:39:36,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:36,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:36,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:36,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:36,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:36,865 INFO L229 MonitoredProcess]: Starting monitored process 779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:36,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (779)] Waiting until timeout for monitored process [2024-11-13 23:39:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:38,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:38,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:38,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:38,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (779)] Ended with exit code 0 [2024-11-13 23:39:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:38,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:38,248 INFO L229 MonitoredProcess]: Starting monitored process 780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:38,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (780)] Waiting until timeout for monitored process [2024-11-13 23:39:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:39,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:39,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:39,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:39,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (780)] Ended with exit code 0 [2024-11-13 23:39:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:39,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:39,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:39,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:39,689 INFO L229 MonitoredProcess]: Starting monitored process 781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:39,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (781)] Waiting until timeout for monitored process [2024-11-13 23:39:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:41,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:41,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:41,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:41,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (781)] Ended with exit code 0 [2024-11-13 23:39:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:41,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:41,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:41,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:41,238 INFO L229 MonitoredProcess]: Starting monitored process 782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:41,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (782)] Waiting until timeout for monitored process [2024-11-13 23:39:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:42,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:42,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:42,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:42,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (782)] Ended with exit code 0 [2024-11-13 23:39:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:42,760 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:42,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:42,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:42,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:42,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:42,762 INFO L229 MonitoredProcess]: Starting monitored process 783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:42,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (783)] Waiting until timeout for monitored process [2024-11-13 23:39:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:44,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:44,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:44,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:44,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:44,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (783)] Forceful destruction successful, exit code 0 [2024-11-13 23:39:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:44,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:44,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:44,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:44,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:44,298 INFO L229 MonitoredProcess]: Starting monitored process 784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:44,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (784)] Waiting until timeout for monitored process [2024-11-13 23:39:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:45,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:45,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:45,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:45,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (784)] Ended with exit code 0 [2024-11-13 23:39:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:45,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:45,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:45,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:45,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:45,701 INFO L229 MonitoredProcess]: Starting monitored process 785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:45,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (785)] Waiting until timeout for monitored process [2024-11-13 23:39:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:46,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:46,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:46,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:47,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (785)] Ended with exit code 0 [2024-11-13 23:39:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:47,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:47,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:47,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:47,109 INFO L229 MonitoredProcess]: Starting monitored process 786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:47,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (786)] Waiting until timeout for monitored process [2024-11-13 23:39:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:48,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:48,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:48,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:48,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (786)] Ended with exit code 0 [2024-11-13 23:39:48,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:48,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:48,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:48,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:48,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:48,538 INFO L229 MonitoredProcess]: Starting monitored process 787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:48,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (787)] Waiting until timeout for monitored process [2024-11-13 23:39:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:49,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:49,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:49,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:50,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (787)] Ended with exit code 0 [2024-11-13 23:39:50,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:50,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:50,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:50,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:50,047 INFO L229 MonitoredProcess]: Starting monitored process 788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:50,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (788)] Waiting until timeout for monitored process [2024-11-13 23:39:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:51,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:51,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:51,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:51,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (788)] Ended with exit code 0 [2024-11-13 23:39:51,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:51,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:51,362 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:51,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:51,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:51,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:51,364 INFO L229 MonitoredProcess]: Starting monitored process 789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:51,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (789)] Waiting until timeout for monitored process [2024-11-13 23:39:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:52,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:52,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:52,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:52,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (789)] Ended with exit code 0 [2024-11-13 23:39:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:52,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:52,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:52,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:52,697 INFO L229 MonitoredProcess]: Starting monitored process 790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:52,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (790)] Waiting until timeout for monitored process [2024-11-13 23:39:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:53,876 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:53,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:53,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:54,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (790)] Ended with exit code 0 [2024-11-13 23:39:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:54,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:54,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:54,030 INFO L229 MonitoredProcess]: Starting monitored process 791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:54,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (791)] Waiting until timeout for monitored process [2024-11-13 23:39:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:55,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:55,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:55,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:55,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (791)] Ended with exit code 0 [2024-11-13 23:39:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:55,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:55,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:55,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:55,335 INFO L229 MonitoredProcess]: Starting monitored process 792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:55,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (792)] Waiting until timeout for monitored process [2024-11-13 23:39:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:56,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:56,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:56,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:56,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (792)] Ended with exit code 0 [2024-11-13 23:39:56,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:56,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:56,738 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:56,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:56,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:56,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:56,741 INFO L229 MonitoredProcess]: Starting monitored process 793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:56,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (793)] Waiting until timeout for monitored process [2024-11-13 23:39:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:58,076 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:58,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:58,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:58,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (793)] Ended with exit code 0 [2024-11-13 23:39:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:58,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:58,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:58,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:58,232 INFO L229 MonitoredProcess]: Starting monitored process 794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:58,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (794)] Waiting until timeout for monitored process [2024-11-13 23:39:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:59,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:39:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:59,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:39:59,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:39:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:39:59,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (794)] Ended with exit code 0 [2024-11-13 23:39:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:39:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:39:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:39:59,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:39:59,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:39:59,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:59,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:39:59,523 INFO L229 MonitoredProcess]: Starting monitored process 795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:39:59,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (795)] Waiting until timeout for monitored process [2024-11-13 23:40:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:00,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:40:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:40:00,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:40:00,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:40:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:40:00,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (795)] Forceful destruction successful, exit code 0 [2024-11-13 23:40:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:40:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 37 transitions. [2024-11-13 23:40:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-13 23:40:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:40:00,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:40:00,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:40:00,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:40:00,764 INFO L229 MonitoredProcess]: Starting monitored process 796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:40:00,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271e6a77-2729-4550-981e-2edeee2189fd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (796)] Waiting until timeout for monitored process