./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:19:37,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:19:37,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:19:37,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:19:37,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:19:37,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:19:37,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:19:37,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:19:37,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:19:37,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:19:37,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:19:37,505 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:19:37,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:19:37,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:19:37,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:19:37,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:19:37,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:19:37,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:19:37,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:19:37,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:19:37,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:19:37,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:19:37,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:19:37,507 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_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd [2024-12-06 04:19:37,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:19:37,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:19:37,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:19:37,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:19:37,712 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:19:37,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-12-06 04:19:40,276 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data/2445526d5/71af16a2e4e94d0eaf63d1397a4b3d85/FLAG5238dc7b8 [2024-12-06 04:19:40,487 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:19:40,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-12-06 04:19:40,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data/2445526d5/71af16a2e4e94d0eaf63d1397a4b3d85/FLAG5238dc7b8 [2024-12-06 04:19:40,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data/2445526d5/71af16a2e4e94d0eaf63d1397a4b3d85 [2024-12-06 04:19:40,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:19:40,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:19:40,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:19:40,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:19:40,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:19:40,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:19:40" (1/1) ... [2024-12-06 04:19:40,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c64c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:40, skipping insertion in model container [2024-12-06 04:19:40,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:19:40" (1/1) ... [2024-12-06 04:19:40,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:19:40,998 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_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-12-06 04:19:41,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:19:41,038 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:19:41,048 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_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-12-06 04:19:41,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:19:41,071 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:19:41,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41 WrapperNode [2024-12-06 04:19:41,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:19:41,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:19:41,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:19:41,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:19:41,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,106 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-12-06 04:19:41,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:19:41,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:19:41,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:19:41,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:19:41,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,119 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:19:41,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:19:41,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:19:41,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:19:41,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:19:41,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:19:41,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:19:41,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:19:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:19:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:19:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:19:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:19:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:19:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:19:41,227 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:19:41,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:19:41,397 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 04:19:41,397 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:19:41,524 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:19:41,524 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:19:41,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:19:41 BoogieIcfgContainer [2024-12-06 04:19:41,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:19:41,525 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:19:41,525 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:19:41,532 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:19:41,532 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:19:41" (1/1) ... [2024-12-06 04:19:41,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:19:41,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:41,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-06 04:19:41,579 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-06 04:19:41,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:19:41,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:41,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:19:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:19:41,785 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:19:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:19:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:19:41,956 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:19:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:19:42,026 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:19:42,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:19:42 ImpRootNode [2024-12-06 04:19:42,066 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:19:42,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:19:42,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:19:42,067 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:19:42,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:19:41" (3/4) ... [2024-12-06 04:19:42,069 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:19:42,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:19:42,071 INFO L158 Benchmark]: Toolchain (without parser) took 1214.09ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 66.0MB in the end (delta: 26.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-12-06 04:19:42,072 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:19:42,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.32ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:19:42,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.68ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:19:42,073 INFO L158 Benchmark]: Boogie Preprocessor took 21.49ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:19:42,073 INFO L158 Benchmark]: RCFGBuilder took 395.58ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 50.0MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:19:42,073 INFO L158 Benchmark]: CodeCheck took 541.01ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 66.0MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:19:42,074 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 66.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:19:42,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of bitwiseOr at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; [L84] isInitial = 1 [L85] FCALL initially() [L87] FCALL updateLastVariables() [L88] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=-2] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=-2] [L88] RET updateVariables() [L89] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 [L40] COND TRUE (- (var_1_17 + var_1_17)) > var_1_17 [L41] var_1_11 = var_1_12 [L43] var_1_16 = var_1_19 [L44] EXPR var_1_16 | var_1_19 [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 [L89] RET step() [L90] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L90] RET, EXPR property() [L90] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=2, var_1_18=2, var_1_19=-2, var_1_1=-127, var_1_20=-2] [L19] reach_error() VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=2, var_1_18=2, var_1_19=-2, var_1_1=-127, var_1_20=-2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.32ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.68ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.49ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.58ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 50.0MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 541.01ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 66.0MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 66.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:19:42,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:19:44,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:19:44,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:19:44,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:19:44,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:19:44,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:19:44,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:19:44,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:19:44,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:19:44,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:19:44,130 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:19:44,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:19:44,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:19:44,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:19:44,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:19:44,131 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:19:44,131 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:44,132 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:19:44,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:19:44,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:19:44,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:19:44,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:19:44,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:19:44,132 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:19:44,132 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:44,132 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:19:44,132 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_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc4858d1901c3c90630688f631857e35419d28ea39c5c3a06b704467149a98bd [2024-12-06 04:19:44,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:19:44,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:19:44,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:19:44,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:19:44,377 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:19:44,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-12-06 04:19:47,089 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data/c196f7293/928943e74445496d9ae3d4be55240190/FLAG2f9f45133 [2024-12-06 04:19:47,278 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:19:47,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i [2024-12-06 04:19:47,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data/c196f7293/928943e74445496d9ae3d4be55240190/FLAG2f9f45133 [2024-12-06 04:19:47,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/data/c196f7293/928943e74445496d9ae3d4be55240190 [2024-12-06 04:19:47,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:19:47,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:19:47,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:19:47,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:19:47,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:19:47,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26569014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47, skipping insertion in model container [2024-12-06 04:19:47,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:19:47,441 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_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-12-06 04:19:47,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:19:47,480 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:19:47,487 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_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-88.i[915,928] [2024-12-06 04:19:47,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:19:47,517 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:19:47,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47 WrapperNode [2024-12-06 04:19:47,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:19:47,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:19:47,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:19:47,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:19:47,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,548 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-12-06 04:19:47,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:19:47,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:19:47,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:19:47,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:19:47,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,564 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:19:47,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:19:47,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:19:47,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:19:47,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:47" (1/1) ... [2024-12-06 04:19:47,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:19:47,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:19:47,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:19:47,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:19:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:19:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:19:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:19:47,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:19:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:19:47,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:19:47,674 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:19:47,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:19:47,930 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 04:19:47,930 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:19:48,010 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:19:48,010 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:19:48,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:19:48 BoogieIcfgContainer [2024-12-06 04:19:48,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:19:48,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:19:48,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:19:48,020 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:19:48,021 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:19:48" (1/1) ... [2024-12-06 04:19:48,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:19:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-06 04:19:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-06 04:19:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:19:48,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:48,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:48,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:48,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:48,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:19:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:48,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:48,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:19:48,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:19:51,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:19:52,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2024-12-06 04:19:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2024-12-06 04:19:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:19:52,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:52,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:52,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:52,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:52,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:19:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:52,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:52,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:19:52,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:54,769 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:19:54,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:19:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-12-06 04:19:55,729 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-12-06 04:19:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:19:55,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:55,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:55,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:55,732 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:55,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:19:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:55,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:56,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:19:56,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:19:57,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:19:58,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-12-06 04:19:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-12-06 04:19:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:19:58,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:58,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:58,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:58,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:58,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:19:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:58,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:58,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:19:58,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:00,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:20:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:00,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-12-06 04:20:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-12-06 04:20:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:00,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:00,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:00,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:00,624 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:00,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:20:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:00,853 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:00,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:20:00,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:02,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:20:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 66 states and 141 transitions. [2024-12-06 04:20:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 141 transitions. [2024-12-06 04:20:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:03,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:03,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:03,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:03,853 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:03,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:20:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:04,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:04,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:20:04,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:05,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:20:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 68 states and 159 transitions. [2024-12-06 04:20:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 159 transitions. [2024-12-06 04:20:06,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:06,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:06,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:06,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:06,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:06,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:20:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:06,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:06,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:06,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:08,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:20:09,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 72 states and 171 transitions. [2024-12-06 04:20:09,537 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 171 transitions. [2024-12-06 04:20:09,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:09,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:09,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:09,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:09,541 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:09,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:20:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:09,770 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:09,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:09,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:11,777 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:11,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:20:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 72 states and 171 transitions. [2024-12-06 04:20:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 171 transitions. [2024-12-06 04:20:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:11,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:11,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:11,800 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:11,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:20:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:12,046 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:12,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:20:12,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:13,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:20:14,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 72 states and 171 transitions. [2024-12-06 04:20:14,013 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 171 transitions. [2024-12-06 04:20:14,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:14,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:14,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:14,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:14,016 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:14,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:20:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:14,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:14,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:14,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:15,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 04:20:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 72 states and 171 transitions. [2024-12-06 04:20:15,863 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 171 transitions. [2024-12-06 04:20:15,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:15,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:15,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:15,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:15,865 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:15,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 04:20:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:16,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:16,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:20:16,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:17,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 04:20:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-12-06 04:20:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-12-06 04:20:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:17,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:17,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:17,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:17,951 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:17,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 04:20:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:18,176 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:18,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:18,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:19,685 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:19,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 04:20:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-12-06 04:20:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-12-06 04:20:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:19,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:19,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:19,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:19,698 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:19,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 04:20:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:19,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:19,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:19,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:21,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 04:20:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:21,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-12-06 04:20:21,888 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-12-06 04:20:21,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:21,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:21,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:21,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:21,890 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:21,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 04:20:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:22,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:22,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:20:22,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:23,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 04:20:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-12-06 04:20:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-12-06 04:20:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:23,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:23,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:23,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:23,510 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:23,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 04:20:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:23,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:23,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:20:23,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:25,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 04:20:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:26,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-12-06 04:20:26,154 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-12-06 04:20:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:26,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:26,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:26,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:26,156 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:26,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 04:20:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:26,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:26,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:20:26,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:27,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 04:20:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-12-06 04:20:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-12-06 04:20:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:27,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:27,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:27,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:27,923 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:27,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 04:20:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:28,146 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:28,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:20:28,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:30,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 04:20:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 203 transitions. [2024-12-06 04:20:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 203 transitions. [2024-12-06 04:20:31,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:31,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:31,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:31,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:31,817 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:31,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 04:20:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:32,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:32,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:20:32,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:33,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 04:20:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 203 transitions. [2024-12-06 04:20:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 203 transitions. [2024-12-06 04:20:33,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:33,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:33,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:33,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:33,628 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:33,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 04:20:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:33,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:33,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:33,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:35,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 04:20:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:35,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 203 transitions. [2024-12-06 04:20:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 203 transitions. [2024-12-06 04:20:35,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:35,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:35,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:35,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:35,601 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:35,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 04:20:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:35,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:35,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:20:35,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:37,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 04:20:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:37,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 203 transitions. [2024-12-06 04:20:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 203 transitions. [2024-12-06 04:20:37,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:37,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:37,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:37,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:37,650 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:37,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 04:20:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:37,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:37,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:37,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:40,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 04:20:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:42,080 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:42,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:42,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:42,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:42,082 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:42,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 04:20:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:42,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:42,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:20:42,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:43,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 04:20:43,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:43,822 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:43,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:43,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:43,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:43,824 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:43,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 04:20:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:44,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:44,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:20:44,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:45,510 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:45,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 04:20:45,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:45,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:45,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:45,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:45,527 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:45,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 04:20:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:45,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:45,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:20:45,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:47,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 04:20:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:47,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:47,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:47,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:47,324 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:47,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 04:20:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:47,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:47,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:47,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:49,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 04:20:49,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:49,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:49,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:49,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:49,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:49,097 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:49,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 04:20:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:49,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:49,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:20:49,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:50,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 04:20:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:50,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:50,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:50,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:50,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:50,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:50,857 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:50,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 04:20:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:51,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:51,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:20:51,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:52,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 04:20:52,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:52,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:52,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:52,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:52,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:52,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:52,646 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:52,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 04:20:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:52,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:52,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:20:52,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:54,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 04:20:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:54,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:54,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:54,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:54,383 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:54,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 04:20:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:54,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:54,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:20:54,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:56,113 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:20:56,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-12-06 04:20:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:56,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:56,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:56,125 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:56,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 04:20:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:56,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:56,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:20:56,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:57,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 04:20:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:57,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:57,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:57,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:57,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:57,899 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:57,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 04:20:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:58,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:20:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:58,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:20:58,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:20:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:20:59,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 04:20:59,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:20:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:20:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:20:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:20:59,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:20:59,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:20:59,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:20:59,769 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:20:59,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 04:20:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:20:59,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:00,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:00,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:01,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 04:21:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:01,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:01,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:01,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:01,506 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:01,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 04:21:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:01,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:01,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:01,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:03,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 04:21:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:03,296 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:03,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:03,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:03,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:03,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:03,298 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:03,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 04:21:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:03,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:03,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:03,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:05,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-12-06 04:21:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:05,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:05,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:05,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:05,730 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:05,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 04:21:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:05,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:06,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:06,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:07,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 04:21:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:07,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:07,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:07,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:07,623 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:07,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 04:21:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:07,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:07,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:07,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:09,119 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:09,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 04:21:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:09,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:09,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:09,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:09,260 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:09,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 04:21:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:09,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:09,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:21:09,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:21:11,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 04:21:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:11,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:11,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:11,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:11,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:11,069 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:11,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 04:21:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:11,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:11,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:11,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:12,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 04:21:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:12,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:12,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:12,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:12,947 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:12,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 04:21:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:13,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:13,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:13,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:14,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-12-06 04:21:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:14,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:14,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:14,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:14,994 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:14,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 04:21:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:15,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:15,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:21:15,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:18,364 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:21:18,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 04:21:18,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:18,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:18,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:18,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:18,376 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:18,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 04:21:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:18,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:18,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:21:18,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:21:20,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 04:21:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:20,511 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:20,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:20,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:20,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:20,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:20,513 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:20,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 04:21:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:20,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:20,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:20,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:22,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 04:21:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:22,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:22,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:22,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:22,581 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:22,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 04:21:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:22,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:22,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:22,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:24,312 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:24,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 04:21:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:24,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:24,329 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:24,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:24,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:24,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:24,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:24,331 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:24,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 04:21:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:24,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:24,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:21:24,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:21:26,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 04:21:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:26,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:26,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:26,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:26,895 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:26,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 04:21:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:27,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:27,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:27,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:28,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 04:21:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:28,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:28,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:28,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:28,601 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:28,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 04:21:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:28,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:28,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:28,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:30,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 04:21:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:30,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:30,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:30,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:30,984 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:30,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 04:21:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:31,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:31,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:31,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:32,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 04:21:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:32,727 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:32,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:32,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:32,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:32,729 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:32,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 04:21:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:32,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:33,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:33,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:34,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 04:21:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:34,313 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:34,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:34,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:34,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:34,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:34,315 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:34,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 04:21:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:34,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:34,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:21:34,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:21:37,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 04:21:37,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:37,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:37,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:37,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:37,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:37,081 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:37,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 04:21:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:37,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:37,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:37,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:38,627 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:38,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 04:21:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:38,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:38,882 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:38,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:38,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:38,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:38,884 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:38,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 04:21:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:39,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:39,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:39,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:40,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 04:21:40,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:40,584 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:40,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:40,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:40,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:40,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:40,586 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:40,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 04:21:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:40,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:40,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:40,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:42,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 04:21:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:42,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:42,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:42,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:42,309 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:42,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 04:21:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:42,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:42,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:42,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:44,049 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:44,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-12-06 04:21:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:44,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:44,064 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:44,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:44,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:44,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:44,065 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:44,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 04:21:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:44,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:44,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:44,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:45,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 04:21:45,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 84 states and 221 transitions. [2024-12-06 04:21:45,707 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2024-12-06 04:21:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:45,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:45,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:45,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:45,709 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:45,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 04:21:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:45,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:45,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:21:45,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:21:47,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 04:21:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:48,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:21:48,649 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:21:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:48,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:48,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:48,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:48,650 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:48,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 04:21:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:48,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:48,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:21:48,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:21:50,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 04:21:50,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:21:50,635 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:21:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:50,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:50,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:50,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:50,637 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:50,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 04:21:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:50,868 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:50,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:50,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:53,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 04:21:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:21:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:21:53,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:53,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:53,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:53,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:53,616 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:53,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 04:21:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:53,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:53,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:53,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:56,341 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:56,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 04:21:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:56,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:21:56,609 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:21:56,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:56,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:56,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:56,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:56,611 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:56,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 04:21:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:56,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:56,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:21:56,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:21:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:21:58,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 04:21:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:21:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:21:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:21:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:21:58,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:21:58,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:21:58,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:21:58,221 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:21:58,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 04:21:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:58,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:21:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:21:58,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:21:58,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:00,310 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:00,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 04:22:00,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:00,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:00,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:00,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:00,335 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:00,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 04:22:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:00,563 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:00,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:22:00,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:22:02,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 04:22:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:02,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:02,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:02,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:02,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:02,151 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:02,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 04:22:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:02,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:02,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:02,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:04,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 04:22:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:04,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:04,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:04,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:04,130 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:04,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 04:22:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:04,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:04,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:04,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:06,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 04:22:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:06,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:06,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:06,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:06,677 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:06,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 04:22:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:06,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:06,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:06,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:08,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 04:22:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:08,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:08,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:08,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:08,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:08,395 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:08,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 04:22:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:08,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:08,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:22:08,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:09,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 04:22:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:10,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:10,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:10,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:10,109 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:10,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 04:22:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:10,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:10,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:10,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:11,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 04:22:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:11,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:11,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:11,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:11,841 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:11,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 04:22:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:12,060 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:12,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:12,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:14,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 04:22:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:14,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:14,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:14,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:14,321 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:14,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 04:22:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:14,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:14,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:14,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:16,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 04:22:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:16,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:16,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:16,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:16,044 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:16,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 04:22:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:16,275 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:16,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:22:16,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:17,753 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:22:17,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 04:22:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:17,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:17,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:17,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:17,782 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:17,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 04:22:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:18,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:18,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:18,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:19,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 04:22:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:19,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:19,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:19,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:19,542 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:19,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 04:22:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:19,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:19,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:19,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:21,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 04:22:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:21,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:21,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:21,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:21,193 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:21,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 04:22:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:21,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:21,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:22:21,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:22,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 04:22:22,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:22,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:22,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:22,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:22,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:22,701 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:22,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 04:22:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:22,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:22,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:22,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:24,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 04:22:24,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:24,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:24,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:24,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:24,413 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:24,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 04:22:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:24,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:24,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:22:24,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:26,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 04:22:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:26,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:26,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:26,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:26,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:26,038 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:26,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 04:22:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:26,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:26,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:22:26,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:22:28,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 04:22:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:28,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:28,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:28,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:28,241 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:28,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 04:22:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:28,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:28,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:22:28,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:29,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 04:22:29,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:29,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:29,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:29,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:29,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:29,920 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:29,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 04:22:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:30,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:30,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:30,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:31,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 04:22:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:31,996 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:31,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:31,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:31,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:31,998 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:31,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 04:22:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:32,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:32,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:22:32,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:22:33,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 04:22:33,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:33,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:33,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:33,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:33,572 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:33,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 04:22:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:33,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:33,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:33,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:35,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 04:22:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:35,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:35,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:35,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:35,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:35,331 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:35,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 04:22:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:35,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:35,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:35,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:37,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 04:22:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:37,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:37,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:37,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:37,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:37,583 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:37,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 04:22:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:37,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:37,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:37,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:39,331 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:39,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 04:22:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:39,349 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:39,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:39,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:39,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:39,351 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:39,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 04:22:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:39,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:39,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:22:39,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:40,939 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:40,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 04:22:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:41,212 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:41,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:41,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:41,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:41,213 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:41,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 04:22:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:41,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:41,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:41,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:42,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 04:22:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:42,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:42,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:42,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:42,913 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:42,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 04:22:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:43,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:43,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:43,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:44,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 04:22:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:44,546 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:44,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:44,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:44,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:44,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:44,548 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:44,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 04:22:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:44,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:44,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:22:44,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:46,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 04:22:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:46,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:46,150 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:46,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:46,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:46,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:46,152 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:46,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 04:22:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:46,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:46,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:22:46,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:22:48,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 04:22:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:48,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:48,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:48,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:48,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:48,271 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:48,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 04:22:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:48,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:48,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:48,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:50,078 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:50,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-12-06 04:22:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:50,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:50,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:50,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:50,098 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:50,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 04:22:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:50,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:50,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:22:50,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:52,019 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:22:52,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 04:22:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:52,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:52,077 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:52,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:52,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:52,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:52,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:52,079 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:52,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 04:22:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:52,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:52,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:52,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:54,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 04:22:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:54,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:54,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:54,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:54,114 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:54,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 04:22:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:54,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:54,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:54,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:22:56,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 04:22:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:56,214 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:56,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:56,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:56,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:56,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:56,216 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:56,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 04:22:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:56,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:56,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:22:56,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:22:57,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 04:22:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:57,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:57,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:57,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:57,733 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:57,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 04:22:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:57,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:57,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:22:57,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:22:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:22:59,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-12-06 04:22:59,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:22:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:22:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:22:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:22:59,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:22:59,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:22:59,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:22:59,527 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:22:59,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 04:22:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:59,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:22:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:22:59,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:22:59,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:01,569 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:01,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-06 04:23:01,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:01,585 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:01,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:01,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:01,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:01,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:01,587 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:01,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 04:23:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:01,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:01,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:23:01,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:23:04,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 04:23:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:04,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:04,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:04,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:04,394 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:04,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 04:23:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:04,634 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:04,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:04,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:06,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 04:23:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:06,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:06,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:06,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:06,193 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:06,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 04:23:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:06,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:06,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:06,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:07,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 04:23:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:08,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:08,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:08,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:08,237 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:08,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 04:23:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:08,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:08,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:23:08,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:23:10,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 04:23:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:10,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:10,118 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:10,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:10,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:10,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:10,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:10,120 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:10,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 04:23:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:10,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:10,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:10,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:11,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-12-06 04:23:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:11,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:11,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:11,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:11,825 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:11,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 04:23:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:12,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:12,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:12,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:13,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 04:23:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:13,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:13,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:13,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:13,557 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:13,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 04:23:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:13,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:13,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:13,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:15,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 04:23:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:15,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:15,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:15,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:15,219 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:15,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 04:23:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:15,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:15,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:15,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:16,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 04:23:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:16,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:16,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:16,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:16,945 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:16,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 04:23:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:17,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:17,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:17,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:18,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-12-06 04:23:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:18,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:18,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:18,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:18,756 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:18,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 04:23:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:18,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:19,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:19,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:20,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 04:23:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:20,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:20,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:20,700 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:20,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 04:23:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:20,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:21,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:21,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:22,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 04:23:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:22,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:22,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:22,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:22,620 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:22,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 04:23:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:22,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:22,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:22,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:24,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 04:23:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:24,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:24,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:24,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:24,364 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:24,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 04:23:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:24,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:24,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:24,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:26,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 04:23:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:26,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:26,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:26,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:26,240 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:26,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 04:23:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:26,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:26,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:23:26,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:23:28,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 04:23:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:28,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:28,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:28,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:28,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:28,229 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:28,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 04:23:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:28,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:28,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:28,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:29,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-06 04:23:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:29,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:29,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:29,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:29,927 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:29,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 04:23:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:30,176 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:30,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:30,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:32,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-06 04:23:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:32,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:32,388 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:32,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:32,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:32,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:32,390 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:32,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 04:23:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:32,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:32,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:23:32,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:23:34,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 04:23:34,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:34,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:34,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:34,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:34,066 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:34,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 04:23:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:34,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:34,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:34,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:35,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 04:23:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:35,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:35,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:35,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:35,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:35,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:35,735 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:35,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 04:23:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:35,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:36,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:36,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:37,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 04:23:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:37,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:37,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:37,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:37,446 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:37,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 04:23:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:37,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:37,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:37,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:38,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-06 04:23:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:39,177 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:39,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:39,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:39,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:39,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:39,178 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:39,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 04:23:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:39,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:39,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:23:39,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:23:40,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-06 04:23:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:40,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:40,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:40,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:40,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:40,933 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:40,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 04:23:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:41,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:41,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:23:41,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:23:42,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-06 04:23:42,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:42,354 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:42,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:42,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:42,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:42,356 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:42,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 04:23:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:42,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:42,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:42,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:44,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-06 04:23:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:44,203 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:44,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:44,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:44,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:44,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:44,205 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:44,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 04:23:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:44,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:44,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:44,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:45,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 04:23:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:45,909 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:45,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:45,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:45,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:45,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:45,911 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:45,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 04:23:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:46,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:46,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:46,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:47,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-06 04:23:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:47,510 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:47,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:47,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:47,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:47,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:47,512 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:47,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 04:23:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:47,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:47,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:47,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:49,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-06 04:23:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:49,110 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:49,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:49,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:49,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:49,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:49,112 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:49,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 04:23:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:49,334 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:49,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:23:49,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:23:50,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 04:23:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:50,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:50,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:50,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:50,753 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:50,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 04:23:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:50,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:51,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:23:51,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:52,304 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:52,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-06 04:23:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:52,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:52,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:52,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:52,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:52,344 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:52,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 04:23:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:52,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:52,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:52,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:54,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 04:23:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:54,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:54,290 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:54,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:54,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:54,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:54,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:54,292 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:54,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 04:23:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:54,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:54,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:54,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:56,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-06 04:23:56,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:56,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:56,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:56,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:56,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:56,048 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:56,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 04:23:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:56,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:56,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:56,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:57,882 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:23:57,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-06 04:23:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:57,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:57,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:57,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:57,900 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:57,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 04:23:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:58,127 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:58,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:23:58,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:23:59,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-12-06 04:23:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:23:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:23:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:23:59,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:59,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:23:59,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:23:59,648 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:23:59,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 04:23:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:59,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:23:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:59,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:23:59,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:24:01,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-06 04:24:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:01,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:01,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:01,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:01,473 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:01,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 04:24:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:01,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:01,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:01,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:03,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-12-06 04:24:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:03,131 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:03,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:03,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:03,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:03,133 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:03,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 04:24:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:03,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:03,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:03,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:04,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-12-06 04:24:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:04,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:04,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:04,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:04,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:04,852 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:04,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 04:24:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:05,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:05,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:24:05,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:06,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-06 04:24:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:06,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:06,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:06,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:06,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:06,546 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:06,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 04:24:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:06,773 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:06,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:24:06,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:08,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-06 04:24:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:08,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:08,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:08,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:08,236 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:08,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 04:24:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:08,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:08,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:08,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:09,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-06 04:24:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:09,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:09,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:09,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:09,781 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:09,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 04:24:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:10,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:10,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:24:10,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:24:12,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-06 04:24:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:12,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:12,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:12,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:12,412 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:12,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 04:24:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:12,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:12,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:24:12,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:24:14,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 04:24:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:14,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:14,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:14,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:14,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:14,239 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:14,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 04:24:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:14,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:14,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:14,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:15,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 04:24:15,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:15,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:15,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:15,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:15,907 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:15,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 04:24:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:16,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:16,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:16,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:17,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-06 04:24:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:17,500 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:17,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:17,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:17,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:17,502 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:17,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 04:24:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:17,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:17,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:24:17,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:19,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-06 04:24:20,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:20,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:20,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:20,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:20,004 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:20,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 04:24:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:20,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:20,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:20,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:21,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 04:24:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:21,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:21,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:21,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:21,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:21,901 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:21,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 04:24:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:22,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:22,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:24:22,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:23,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-06 04:24:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:23,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:23,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:23,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:23,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:23,766 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:23,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 04:24:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:23,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:24,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:24,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:25,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-06 04:24:25,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:25,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:25,672 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:25,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:25,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:25,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:25,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:25,673 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:25,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 04:24:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:25,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:25,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:24:25,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:24:27,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-12-06 04:24:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:27,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:27,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:27,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:27,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:27,119 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:27,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 04:24:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:27,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:27,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:27,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:28,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 04:24:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:28,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:28,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:28,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:28,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:28,794 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:28,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 04:24:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:29,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:29,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:24:29,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:30,218 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:30,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-06 04:24:30,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:30,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:30,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:30,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:30,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:30,445 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:30,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 04:24:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:30,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:30,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:24:30,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:24:33,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-12-06 04:24:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:33,227 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:33,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:33,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:33,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:33,229 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:33,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 04:24:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:33,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:33,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:33,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:34,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-12-06 04:24:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:34,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:34,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:34,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:34,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:34,946 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:34,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 04:24:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:35,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:35,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:35,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:36,730 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:36,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-12-06 04:24:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:36,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:36,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:36,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:36,746 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:36,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-06 04:24:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:36,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:37,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:24:37,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:38,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-06 04:24:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:38,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:38,466 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:38,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-06 04:24:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:38,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:38,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:38,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:40,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2024-12-06 04:24:40,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:40,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:40,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:40,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:40,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:40,127 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:40,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-06 04:24:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:40,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:40,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:40,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:41,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-06 04:24:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:41,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:41,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:41,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:41,913 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:41,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-06 04:24:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:42,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:42,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:24:42,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:43,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-12-06 04:24:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:43,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:43,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:43,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:43,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:43,546 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:43,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-06 04:24:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:43,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:43,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:24:43,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:24:45,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-12-06 04:24:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:45,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:45,343 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:45,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:45,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:45,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:45,345 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:45,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-06 04:24:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:45,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:45,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:24:45,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:47,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-12-06 04:24:47,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:47,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:47,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:47,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:47,485 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:47,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-06 04:24:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:47,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:47,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:24:47,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:49,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-12-06 04:24:49,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:49,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:49,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:49,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:49,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:49,313 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:49,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-06 04:24:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:49,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:49,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:49,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:50,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-12-06 04:24:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:50,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:50,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:50,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:50,997 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:50,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-06 04:24:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:51,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:51,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:24:51,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:52,458 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:24:52,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-12-06 04:24:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:52,486 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:52,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:52,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:52,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:52,488 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:52,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-06 04:24:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:52,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:52,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:52,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:54,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-12-06 04:24:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:54,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:54,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:54,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:54,496 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:54,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-06 04:24:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:54,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:54,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:24:54,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:24:56,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-12-06 04:24:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:56,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:56,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:56,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:56,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:56,083 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:56,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-06 04:24:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:56,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:56,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:56,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:57,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-12-06 04:24:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:57,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:57,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:57,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:57,730 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:57,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-06 04:24:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:57,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:57,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:24:57,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:24:59,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-12-06 04:24:59,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:59,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:24:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:24:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:24:59,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:59,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:24:59,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:24:59,445 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:24:59,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-06 04:24:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:59,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:24:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:59,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:24:59,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:25:01,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-06 04:25:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:25:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:25:02,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:02,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:02,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:02,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:02,022 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:02,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-06 04:25:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:02,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:02,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:25:02,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:25:03,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-06 04:25:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 233 transitions. [2024-12-06 04:25:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 233 transitions. [2024-12-06 04:25:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:03,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:03,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:03,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:03,735 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:03,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-06 04:25:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:03,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:03,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:25:03,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:25:05,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-06 04:25:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:07,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:07,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:07,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:07,308 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:07,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-06 04:25:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:07,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:07,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:07,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:08,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:08,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-12-06 04:25:09,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:09,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:09,165 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:09,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:09,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:09,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:09,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:09,167 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:09,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-12-06 04:25:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:09,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:09,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:09,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:11,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-12-06 04:25:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:11,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:11,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:11,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:11,079 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:11,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-12-06 04:25:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:11,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:11,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:25:11,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:25:12,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-12-06 04:25:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:12,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:12,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:12,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:12,672 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:12,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-12-06 04:25:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:12,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:12,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:25:12,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:25:14,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-12-06 04:25:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:14,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:14,935 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:14,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:14,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:14,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:14,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:14,937 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:14,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-12-06 04:25:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:15,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:15,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:15,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:16,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-12-06 04:25:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:16,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:16,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:16,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:16,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:16,724 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:16,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-12-06 04:25:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:16,951 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:17,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:25:17,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:18,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-12-06 04:25:18,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:18,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:18,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:18,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:18,674 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:18,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-12-06 04:25:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:18,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:18,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:25:18,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:25:20,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-12-06 04:25:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:20,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:20,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:20,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:20,827 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:20,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-12-06 04:25:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:21,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:21,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:21,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:22,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-12-06 04:25:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:22,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:22,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:22,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:22,458 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:22,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-12-06 04:25:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:22,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:22,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:22,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:24,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-12-06 04:25:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:24,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:24,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:24,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:24,106 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:24,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-12-06 04:25:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:24,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:24,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:24,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:25,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-12-06 04:25:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:25,768 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:25,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:25,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:25,770 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:25,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-12-06 04:25:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:26,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:26,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:26,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:27,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-12-06 04:25:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:27,547 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:27,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:27,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:27,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:27,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:27,549 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:27,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-12-06 04:25:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:27,774 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:27,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:27,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:29,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-12-06 04:25:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:29,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:29,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:29,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:29,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:29,235 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:29,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-12-06 04:25:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:29,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:29,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:25:29,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:31,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-12-06 04:25:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:31,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:31,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:31,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:31,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:31,349 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:31,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-12-06 04:25:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:31,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:31,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:31,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:33,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-12-06 04:25:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:33,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:33,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:33,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:33,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:33,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:33,138 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:33,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-12-06 04:25:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:33,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:33,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:33,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:34,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-12-06 04:25:35,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:35,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:35,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:35,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:35,058 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:35,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-12-06 04:25:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:35,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:35,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:35,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:36,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-12-06 04:25:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:37,006 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:37,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:37,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:37,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:37,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:37,008 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:37,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-12-06 04:25:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:37,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:37,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:37,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:39,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-12-06 04:25:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:39,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:39,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:39,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:39,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:39,115 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:39,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-12-06 04:25:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:39,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:39,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:39,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:40,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-12-06 04:25:40,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:40,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:40,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:40,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:40,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:40,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:40,928 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:40,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-12-06 04:25:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:41,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:41,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:41,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:43,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-12-06 04:25:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:43,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:43,668 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:43,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:43,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:43,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:43,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:43,670 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:43,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-12-06 04:25:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:43,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:43,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:43,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:45,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-12-06 04:25:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:45,422 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:45,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:45,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:45,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:45,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:45,423 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:45,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-12-06 04:25:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:45,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:45,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:45,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:47,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2024-12-06 04:25:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:47,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:47,165 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:47,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:47,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:47,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:47,167 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:47,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-12-06 04:25:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:47,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:47,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:47,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:49,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-12-06 04:25:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:49,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:49,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:49,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:49,243 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:49,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-12-06 04:25:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:49,471 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:49,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:49,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:51,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-12-06 04:25:51,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:51,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:51,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:51,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:51,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:51,316 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:51,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-12-06 04:25:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:51,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:51,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:25:51,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:25:52,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-12-06 04:25:52,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:52,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:52,991 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:52,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:52,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:52,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:52,993 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:52,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-12-06 04:25:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:53,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:53,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:25:53,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:25:55,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-12-06 04:25:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:55,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:55,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:55,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:55,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:55,046 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:55,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-12-06 04:25:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:55,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:55,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:55,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:56,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-12-06 04:25:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:56,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:56,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:56,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:56,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:56,796 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:56,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-12-06 04:25:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:57,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:57,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:25:57,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:25:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:25:58,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-12-06 04:25:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:25:58,748 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:25:58,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:25:58,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:58,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:25:58,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:25:58,750 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:25:58,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-12-06 04:25:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:58,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:25:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:59,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:25:59,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:00,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-12-06 04:26:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:00,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:00,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:00,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:00,439 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:00,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-12-06 04:26:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:00,662 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:00,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:26:00,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:02,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-12-06 04:26:02,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:02,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:02,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:02,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:02,477 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:02,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-12-06 04:26:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:02,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:02,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:26:02,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:04,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-12-06 04:26:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:04,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:04,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:04,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:04,458 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:04,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-12-06 04:26:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:04,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:04,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:04,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:06,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-12-06 04:26:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:06,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:06,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:06,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:06,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:06,402 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:06,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-12-06 04:26:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:06,645 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:06,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:06,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:09,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-12-06 04:26:09,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:09,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:09,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:09,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:09,610 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:09,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-12-06 04:26:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:09,836 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:09,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:26:09,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:11,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-12-06 04:26:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:11,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:11,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:11,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:11,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:11,458 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:11,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-12-06 04:26:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:11,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:11,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:26:11,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:13,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-12-06 04:26:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:13,948 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:13,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:13,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:13,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:13,949 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:13,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-12-06 04:26:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:14,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:14,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:26:14,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:18,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:18,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-12-06 04:26:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:18,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:18,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:18,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:18,495 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:18,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-12-06 04:26:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:18,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:18,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:18,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:20,021 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:20,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-12-06 04:26:20,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:20,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:20,279 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:20,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:20,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:20,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:20,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:20,281 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:20,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-12-06 04:26:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:20,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:20,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:26:20,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:22,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-12-06 04:26:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:22,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:22,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:22,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:22,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:22,018 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:22,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-12-06 04:26:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:22,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:22,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:22,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:23,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-12-06 04:26:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:24,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:24,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:24,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:24,190 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:24,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-12-06 04:26:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:24,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:24,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:26:24,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:25,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-12-06 04:26:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:25,549 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:25,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:25,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:25,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:25,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:25,551 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:25,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-12-06 04:26:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:25,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:25,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:25,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:27,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-12-06 04:26:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:27,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:27,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:27,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:27,292 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:27,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-12-06 04:26:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:27,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:27,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:27,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:28,870 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:28,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-12-06 04:26:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:29,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:29,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:29,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:29,131 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:29,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-12-06 04:26:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:29,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:29,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:26:29,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:30,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-12-06 04:26:31,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:31,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:31,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:31,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:31,003 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:31,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-12-06 04:26:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:31,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:31,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:31,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:32,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-12-06 04:26:32,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:32,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:32,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:32,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:32,657 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:32,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-12-06 04:26:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:32,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:32,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:32,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:35,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-12-06 04:26:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:35,500 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:35,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:35,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:35,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:35,502 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:35,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-12-06 04:26:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:35,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:35,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:35,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:37,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-12-06 04:26:37,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:37,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:37,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:37,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:37,232 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:37,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-12-06 04:26:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:37,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:37,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:37,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:38,923 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:38,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-12-06 04:26:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:38,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:38,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:38,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:38,994 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:38,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-12-06 04:26:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:39,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:39,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:39,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:40,547 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:40,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-12-06 04:26:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:40,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:40,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:40,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:40,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:40,618 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:40,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-12-06 04:26:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:40,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:40,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:26:40,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:42,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-12-06 04:26:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:42,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:42,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:42,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:42,232 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:42,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-12-06 04:26:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:42,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:42,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:42,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:44,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-12-06 04:26:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:44,926 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:44,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:44,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:44,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:44,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:44,928 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:44,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-12-06 04:26:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:45,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:45,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:45,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:46,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-12-06 04:26:46,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:46,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:46,829 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:46,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:46,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:46,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:46,831 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:46,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-12-06 04:26:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:47,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:47,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:47,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:48,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-12-06 04:26:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:48,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:48,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:48,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:48,347 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:48,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-12-06 04:26:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:48,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:48,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:48,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:49,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-12-06 04:26:49,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:49,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:49,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:49,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:49,970 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:49,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-12-06 04:26:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:50,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:50,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:50,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:51,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-12-06 04:26:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:51,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:51,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:51,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:51,608 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:51,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-12-06 04:26:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:51,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:51,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:26:51,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:26:53,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-12-06 04:26:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:53,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:53,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:53,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:53,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:53,535 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:53,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-12-06 04:26:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:53,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:53,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:53,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:55,266 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:55,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-12-06 04:26:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:55,336 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:55,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:55,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:55,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:55,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:55,338 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:55,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-12-06 04:26:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:55,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:55,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:26:55,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:56,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-12-06 04:26:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:56,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:56,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:56,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:56,974 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:56,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-12-06 04:26:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:57,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:57,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:57,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:26:58,744 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:26:58,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-12-06 04:26:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:26:58,816 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:26:58,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:58,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:58,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:26:58,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:26:58,818 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:26:58,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-12-06 04:26:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:59,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:26:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:59,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:26:59,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:00,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Forceful destruction successful, exit code 0 [2024-12-06 04:27:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:00,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:00,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:00,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:00,501 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:00,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-12-06 04:27:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:00,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:00,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:27:00,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:01,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-12-06 04:27:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:02,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:02,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:02,069 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:02,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-12-06 04:27:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:02,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:02,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:02,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:03,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-12-06 04:27:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:03,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:03,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:03,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:03,856 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:03,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-12-06 04:27:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:04,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:04,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:04,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:05,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Forceful destruction successful, exit code 0 [2024-12-06 04:27:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:05,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:05,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:05,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:05,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:05,495 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:05,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-12-06 04:27:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:05,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:05,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:05,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:07,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:07,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-12-06 04:27:07,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:07,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:07,500 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:07,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:07,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:07,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:07,502 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:07,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-12-06 04:27:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:07,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:07,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:07,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:09,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-12-06 04:27:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:09,426 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:09,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:09,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:09,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:09,427 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:09,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-12-06 04:27:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:09,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:09,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:09,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:12,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-12-06 04:27:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:12,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:12,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:12,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:12,059 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:12,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-12-06 04:27:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:12,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:12,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:27:12,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:27:13,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-12-06 04:27:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:13,775 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:13,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:13,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:13,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:13,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:13,777 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:13,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-12-06 04:27:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:14,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:14,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:27:14,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:27:15,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-12-06 04:27:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:15,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:15,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:15,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:15,781 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:15,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-12-06 04:27:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:16,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:16,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:16,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:17,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-12-06 04:27:17,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:17,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:17,867 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:17,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:17,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:17,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:17,868 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:17,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-12-06 04:27:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:18,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:18,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:18,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:19,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-12-06 04:27:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:19,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:19,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:19,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:19,756 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:19,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-12-06 04:27:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:19,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:20,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:20,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:21,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-12-06 04:27:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:21,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:21,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:21,715 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:21,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-12-06 04:27:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:21,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:21,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:27:21,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:27:24,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-12-06 04:27:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:24,817 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:24,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:24,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:24,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:24,818 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:24,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-12-06 04:27:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:25,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:25,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:25,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:26,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-12-06 04:27:26,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:26,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:26,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:26,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:26,382 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:26,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-12-06 04:27:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:26,614 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:26,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:26,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:28,560 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:28,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-12-06 04:27:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:28,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:28,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:28,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:28,576 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:28,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-12-06 04:27:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:28,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:28,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:27:28,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:30,121 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:30,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-12-06 04:27:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:30,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:30,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:30,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:30,398 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:30,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-12-06 04:27:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:30,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:30,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:30,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:32,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-12-06 04:27:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:32,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:32,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:32,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:32,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:32,194 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:32,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-12-06 04:27:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:32,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:32,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:27:32,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:33,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-12-06 04:27:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:33,890 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:33,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:33,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:33,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:33,892 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:33,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-12-06 04:27:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:34,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:34,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:27:34,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:27:35,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-12-06 04:27:35,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:35,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:35,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:35,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:35,585 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:35,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-12-06 04:27:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:35,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:35,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:27:35,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:27:37,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-12-06 04:27:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:38,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:38,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:38,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:38,336 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:38,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-12-06 04:27:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:38,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:38,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:27:38,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:27:39,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Forceful destruction successful, exit code 0 [2024-12-06 04:27:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:39,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:39,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:39,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:39,966 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:39,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-12-06 04:27:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:40,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:40,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:40,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:41,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-12-06 04:27:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:41,930 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:41,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:41,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:41,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:41,931 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:41,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-12-06 04:27:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:42,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:42,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:27:42,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:43,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-12-06 04:27:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:43,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:43,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:43,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:43,694 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:43,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-12-06 04:27:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:43,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:43,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:43,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:45,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Forceful destruction successful, exit code 0 [2024-12-06 04:27:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:45,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:45,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:45,495 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:45,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-12-06 04:27:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:45,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:45,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:27:45,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:27:47,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-12-06 04:27:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:47,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:47,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:47,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:47,488 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:47,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-12-06 04:27:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:47,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:47,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:47,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:49,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-12-06 04:27:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:49,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:49,328 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:49,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:49,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:49,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:49,330 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:49,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-12-06 04:27:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:49,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:49,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:27:49,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:50,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-12-06 04:27:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:51,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:51,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:51,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:51,173 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:51,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-12-06 04:27:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:51,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:51,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:51,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:52,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-12-06 04:27:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:52,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:52,757 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:52,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:52,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:52,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:52,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:52,759 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:52,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-12-06 04:27:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:52,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:53,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:53,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:54,339 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:54,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-12-06 04:27:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:54,357 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:54,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:54,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:54,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:54,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:54,358 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:54,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-12-06 04:27:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:54,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:54,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:54,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:57,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-12-06 04:27:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:57,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:57,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:57,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:57,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:57,601 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:57,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-12-06 04:27:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:57,829 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:57,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:57,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:27:59,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-12-06 04:27:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:27:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:27:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:59,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:59,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:59,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:59,452 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:59,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-12-06 04:27:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:59,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:59,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:59,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:01,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-12-06 04:28:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:01,242 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:01,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:01,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:01,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:01,244 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:01,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-12-06 04:28:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:01,471 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:01,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:01,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:02,872 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:02,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-12-06 04:28:02,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:02,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:02,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:02,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:02,945 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:02,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-12-06 04:28:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:03,176 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:03,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:03,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:05,565 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:05,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-12-06 04:28:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:05,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:05,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:05,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:05,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:05,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:05,844 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:05,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-12-06 04:28:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:06,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:06,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:06,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:07,475 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:07,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-12-06 04:28:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:07,489 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:07,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:07,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:07,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:07,491 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:07,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-12-06 04:28:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:07,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:07,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:07,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:09,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-12-06 04:28:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:09,215 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:09,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:09,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:09,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:09,217 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:09,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-12-06 04:28:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:09,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:09,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:09,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:11,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-12-06 04:28:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:11,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:11,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:11,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:11,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:11,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:11,454 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:11,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-12-06 04:28:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:11,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:11,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:11,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:13,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-12-06 04:28:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:13,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:13,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:13,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:13,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:13,738 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:13,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-12-06 04:28:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:13,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:14,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:14,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:15,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-12-06 04:28:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:15,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:15,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:15,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:15,963 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:15,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-12-06 04:28:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:16,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:16,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:16,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:17,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-12-06 04:28:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:17,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:17,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:17,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:17,719 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:17,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-12-06 04:28:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:17,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:17,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:17,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:19,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-12-06 04:28:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:19,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:19,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:19,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:19,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:19,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:19,634 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:19,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-12-06 04:28:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:19,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:19,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:28:19,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:28:21,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-12-06 04:28:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:21,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:21,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:21,366 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:21,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-12-06 04:28:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:21,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:21,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:21,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:23,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-12-06 04:28:23,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:23,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:23,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:23,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:23,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:23,306 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:23,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-12-06 04:28:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:23,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:23,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:23,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:24,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-12-06 04:28:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:25,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:25,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:25,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:25,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:25,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:25,147 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:25,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-12-06 04:28:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:25,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:25,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:25,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:26,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-12-06 04:28:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:27,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:27,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:27,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:27,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:27,004 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:27,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-12-06 04:28:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:27,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:27,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:28:27,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:28:28,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-12-06 04:28:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:28,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:28,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:28,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:28,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:28,493 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:28,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-12-06 04:28:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:28,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:28,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:28:28,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:28:30,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-12-06 04:28:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:30,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:30,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:30,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:30,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:30,356 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:30,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-12-06 04:28:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:30,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:30,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:30,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:32,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-12-06 04:28:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:32,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:32,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:32,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:32,069 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:32,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-12-06 04:28:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:32,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:32,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:32,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:33,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-12-06 04:28:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:33,955 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:33,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:33,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:33,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:33,957 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:33,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-12-06 04:28:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:34,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:34,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:34,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:35,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-12-06 04:28:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:35,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:35,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:35,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:35,655 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:35,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-12-06 04:28:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:35,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:35,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:35,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:37,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-12-06 04:28:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:37,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:37,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:37,378 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:37,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-12-06 04:28:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:37,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:37,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:37,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:39,080 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:39,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-12-06 04:28:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:39,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:39,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:39,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:39,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:39,148 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:39,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-12-06 04:28:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:39,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:39,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:39,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:40,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2024-12-06 04:28:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:40,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:40,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:40,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:40,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:40,828 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:40,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-12-06 04:28:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:41,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:41,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:41,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:42,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Forceful destruction successful, exit code 0 [2024-12-06 04:28:42,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:42,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:42,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:42,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:42,692 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:42,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-12-06 04:28:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:42,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:42,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:28:42,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:28:44,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-12-06 04:28:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:44,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:44,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:44,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:44,919 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:44,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-12-06 04:28:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:45,146 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:45,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:45,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:46,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Forceful destruction successful, exit code 0 [2024-12-06 04:28:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:46,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:46,657 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:46,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:46,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:46,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:46,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:46,659 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:46,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-12-06 04:28:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:46,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:46,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:28:46,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:28:48,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-12-06 04:28:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:48,811 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:48,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:48,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:48,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:48,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:48,813 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:48,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-12-06 04:28:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:49,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:49,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:49,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:50,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-12-06 04:28:50,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:50,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:50,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:50,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:50,598 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:50,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-12-06 04:28:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:50,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:50,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:28:50,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:28:52,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-12-06 04:28:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:52,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:52,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:52,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:52,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:52,335 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:52,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-12-06 04:28:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:52,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:52,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:28:52,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:54,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-12-06 04:28:54,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:54,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:54,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:54,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:54,113 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:54,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-12-06 04:28:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:54,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:54,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:54,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:55,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-12-06 04:28:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:55,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:55,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:55,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:55,879 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:55,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-12-06 04:28:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:56,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:56,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:56,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:57,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-12-06 04:28:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:57,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:57,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:57,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:57,552 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:57,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-12-06 04:28:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:57,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:57,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:57,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:28:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:28:59,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-12-06 04:28:59,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:28:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:28:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:28:59,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:59,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:59,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:59,303 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:59,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-12-06 04:28:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:59,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:28:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:59,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:28:59,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:00,743 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:00,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-12-06 04:29:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:00,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:00,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:00,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:00,983 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:00,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-12-06 04:29:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:01,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:01,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:01,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:02,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-12-06 04:29:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:02,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:02,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:02,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:02,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:02,855 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:02,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-12-06 04:29:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:03,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:03,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:03,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:05,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-12-06 04:29:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:05,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:05,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:05,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:05,456 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:05,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-12-06 04:29:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:05,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:05,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:29:05,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:29:07,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-12-06 04:29:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:07,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:07,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:07,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:07,277 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:07,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-12-06 04:29:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:07,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:07,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:07,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:08,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-12-06 04:29:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:08,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:08,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:08,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:08,899 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:08,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-12-06 04:29:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:09,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:09,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:29:09,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:11,257 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:29:11,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-12-06 04:29:11,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:11,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:11,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:11,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:11,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:11,303 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:11,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-12-06 04:29:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:11,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:11,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:11,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:12,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-12-06 04:29:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:12,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:12,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:12,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:12,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:12,957 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:12,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-12-06 04:29:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:13,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:13,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:13,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:14,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-12-06 04:29:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:14,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:14,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:14,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:14,820 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:14,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-12-06 04:29:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:15,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:15,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:15,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:16,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-12-06 04:29:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:17,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:17,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:17,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:17,004 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:17,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-12-06 04:29:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:17,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:17,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:29:17,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:29:19,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-12-06 04:29:19,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:19,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:19,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:19,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:19,433 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:19,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-12-06 04:29:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:19,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:19,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:19,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:21,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-12-06 04:29:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:21,071 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:21,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:21,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:21,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:21,073 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:21,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-12-06 04:29:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:21,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:21,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:21,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:22,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-12-06 04:29:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:22,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:22,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:22,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:22,909 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:22,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-12-06 04:29:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:23,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:23,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:29:23,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:29:24,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-12-06 04:29:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:24,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:24,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:24,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:24,708 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:24,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-12-06 04:29:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:24,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:24,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:24,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:26,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-12-06 04:29:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:26,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:26,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:26,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:26,632 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:26,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-12-06 04:29:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:26,848 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:26,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:26,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:28,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-12-06 04:29:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:28,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:28,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:28,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:28,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:28,512 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:28,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-12-06 04:29:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:28,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:28,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:28,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:30,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-12-06 04:29:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:30,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:30,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:30,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:30,336 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:30,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-12-06 04:29:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:30,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:30,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:30,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:32,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-12-06 04:29:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:32,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:32,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:32,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:32,426 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:32,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-12-06 04:29:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:32,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:32,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:32,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:35,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-12-06 04:29:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:35,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:35,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:35,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:35,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:35,087 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:35,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-12-06 04:29:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:35,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:35,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:29:35,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:29:36,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-12-06 04:29:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:36,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:36,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:36,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:36,822 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:36,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-12-06 04:29:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:37,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:37,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:37,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:39,270 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:39,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-12-06 04:29:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:39,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:39,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:39,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:39,292 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:39,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-12-06 04:29:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:39,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:39,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:39,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:41,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-12-06 04:29:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:41,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:41,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:41,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:41,331 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:41,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-12-06 04:29:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:41,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:41,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:29:41,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:29:43,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-12-06 04:29:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:43,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:43,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:43,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:43,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:43,402 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:43,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-12-06 04:29:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:43,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:43,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:43,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:45,128 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:45,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-12-06 04:29:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:45,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:45,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:45,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:45,454 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:45,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-12-06 04:29:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:45,720 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:45,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:45,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:47,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-12-06 04:29:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:47,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:47,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:47,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:47,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:47,674 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:47,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-12-06 04:29:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:47,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:47,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:47,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:49,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-12-06 04:29:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:49,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:49,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:49,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:49,621 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:49,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-12-06 04:29:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:49,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:49,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:49,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:51,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-12-06 04:29:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:51,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:51,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:51,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:51,559 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:51,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-12-06 04:29:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:51,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:51,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:29:51,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:53,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-12-06 04:29:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:53,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:53,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:53,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:53,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:53,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:53,564 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:53,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-12-06 04:29:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:53,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:53,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:29:53,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:55,383 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:29:55,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-12-06 04:29:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:55,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:55,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:55,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:55,683 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:55,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-12-06 04:29:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:55,927 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:55,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:29:55,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:29:57,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-12-06 04:29:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:57,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:57,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:57,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:57,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:57,959 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:57,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-12-06 04:29:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:58,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:29:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:29:58,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:29:58,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:29:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:29:59,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-12-06 04:29:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:29:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:29:59,810 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:29:59,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:29:59,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:29:59,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:29:59,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:29:59,812 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:29:59,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-12-06 04:30:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:00,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:00,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:30:00,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:01,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Forceful destruction successful, exit code 0 [2024-12-06 04:30:01,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:01,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:01,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:01,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:01,985 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:01,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-12-06 04:30:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:02,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:02,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:30:02,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:30:04,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-12-06 04:30:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:04,403 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:04,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:04,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:04,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:04,405 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:04,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-12-06 04:30:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:04,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:04,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:04,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:06,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-12-06 04:30:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:06,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:06,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:06,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:06,658 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:06,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-12-06 04:30:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:06,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:06,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:06,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:09,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-12-06 04:30:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:09,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:09,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:09,130 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:09,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-12-06 04:30:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:09,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:09,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:09,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:11,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Forceful destruction successful, exit code 0 [2024-12-06 04:30:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:11,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:11,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:11,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:11,104 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:11,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-12-06 04:30:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:11,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:11,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:30:11,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:30:13,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-12-06 04:30:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:13,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:13,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:13,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:13,303 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:13,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-12-06 04:30:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:13,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:13,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:13,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:15,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-12-06 04:30:15,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:15,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:15,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:15,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:15,056 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:15,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-12-06 04:30:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:15,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:15,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:30:15,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:30:16,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-12-06 04:30:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:17,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:17,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:17,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:17,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:17,009 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:17,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-12-06 04:30:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:17,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:17,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:30:17,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:18,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-12-06 04:30:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:18,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:18,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:18,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:18,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:18,918 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:18,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-12-06 04:30:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:19,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:19,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:19,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:20,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-12-06 04:30:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:20,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:20,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:20,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:20,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:20,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:20,728 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:20,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-12-06 04:30:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:20,988 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:21,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:21,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:22,713 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:22,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-12-06 04:30:22,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:22,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:22,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:22,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:22,786 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:22,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-12-06 04:30:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:23,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:23,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:23,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:24,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-12-06 04:30:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:24,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:24,794 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:24,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:24,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:24,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:24,796 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:24,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-12-06 04:30:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:25,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:25,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:30:25,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:26,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-12-06 04:30:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:26,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:26,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:26,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:26,626 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:26,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-12-06 04:30:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:26,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:26,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:30:26,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:30:28,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-12-06 04:30:28,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:28,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:28,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:28,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:28,303 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:28,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-12-06 04:30:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:28,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:28,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:28,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:30,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-12-06 04:30:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:30,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:30,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:30,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:30,203 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:30,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-12-06 04:30:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:30,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:30,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:30,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:32,326 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:32,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Forceful destruction successful, exit code 0 [2024-12-06 04:30:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:32,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:32,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:32,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:32,399 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:32,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-12-06 04:30:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:32,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:32,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:32,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:34,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-12-06 04:30:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:34,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:34,306 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:34,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:34,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:34,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:34,308 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:34,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-12-06 04:30:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:34,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:34,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:30:34,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:35,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-12-06 04:30:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:35,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:35,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:35,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:35,964 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:35,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-12-06 04:30:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:36,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:36,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:36,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:37,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-12-06 04:30:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:38,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:38,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:38,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:38,006 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:38,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-12-06 04:30:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:38,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:38,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:30:38,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:30:40,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-12-06 04:30:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:40,171 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:40,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:40,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:40,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:40,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:40,173 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:40,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-12-06 04:30:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:40,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:40,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:40,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:42,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-12-06 04:30:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:42,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:42,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:42,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:42,214 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:42,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-12-06 04:30:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:42,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:42,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:42,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:43,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-12-06 04:30:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:43,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:43,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:43,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:43,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:43,898 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:43,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-12-06 04:30:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:44,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:44,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:30:44,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:45,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-12-06 04:30:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:45,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:45,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:45,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:45,806 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:45,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-12-06 04:30:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:46,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:46,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:46,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:47,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-12-06 04:30:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:47,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:47,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:47,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:47,548 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:47,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-12-06 04:30:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:47,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:47,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:30:47,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:30:49,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-12-06 04:30:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:49,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:49,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:49,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:49,196 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:49,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-12-06 04:30:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:49,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:49,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:49,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:50,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-12-06 04:30:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:50,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:50,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:50,984 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:50,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-12-06 04:30:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:51,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:51,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:30:51,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:30:52,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-12-06 04:30:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:52,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:52,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:52,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:52,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:52,744 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:52,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-12-06 04:30:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:52,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:53,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:53,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:54,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-12-06 04:30:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:54,371 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:54,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:54,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:54,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:54,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:54,372 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:54,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-12-06 04:30:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:54,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:54,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:54,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:30:57,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-12-06 04:30:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:57,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:57,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:57,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:57,211 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:57,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-12-06 04:30:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:57,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:57,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:30:57,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:30:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:30:58,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-12-06 04:30:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:30:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:30:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:30:58,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:30:58,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:30:58,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:30:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:30:58,764 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:30:58,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-12-06 04:30:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:59,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:30:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:30:59,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:30:59,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:00,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-12-06 04:31:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:00,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:00,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:00,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:00,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:00,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:00,634 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:00,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-12-06 04:31:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:00,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:00,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:31:00,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:31:02,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-12-06 04:31:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:02,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:02,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:02,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:02,238 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:02,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-12-06 04:31:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:02,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:02,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:02,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:03,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2024-12-06 04:31:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:03,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:03,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:03,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:03,845 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:03,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-12-06 04:31:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:04,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:04,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:04,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:05,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-12-06 04:31:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:05,727 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:05,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:05,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:05,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:05,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:05,729 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:05,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-12-06 04:31:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:06,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:06,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:06,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:07,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2024-12-06 04:31:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:07,443 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:07,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:07,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:07,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:07,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:07,445 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:07,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-12-06 04:31:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:07,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:07,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:07,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:09,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-12-06 04:31:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:09,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:09,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:09,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:09,319 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:09,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-12-06 04:31:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:09,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:09,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:09,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:11,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-12-06 04:31:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:11,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:11,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:11,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:11,308 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:11,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-12-06 04:31:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:11,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:11,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:11,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:12,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:12,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-12-06 04:31:13,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:13,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:13,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:13,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:13,189 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:13,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-12-06 04:31:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:13,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:13,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:13,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:14,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-12-06 04:31:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:14,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:14,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:14,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:14,990 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:14,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-12-06 04:31:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:15,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:15,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:31:15,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:31:18,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-12-06 04:31:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:18,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:18,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:18,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:18,562 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:18,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-12-06 04:31:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:18,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:18,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:18,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:20,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-12-06 04:31:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:20,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:20,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:20,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:20,682 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:20,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-12-06 04:31:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:20,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:20,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:31:20,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:31:22,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-12-06 04:31:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:22,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:22,566 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:22,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:22,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:22,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:22,568 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:22,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-12-06 04:31:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:22,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:22,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:22,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:23,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-12-06 04:31:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:24,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:24,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:24,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:24,215 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:24,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-12-06 04:31:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:24,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:24,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:24,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:25,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-12-06 04:31:25,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:25,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:25,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:25,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:25,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:25,934 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:25,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-12-06 04:31:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:26,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:26,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:26,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:27,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-12-06 04:31:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:27,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:27,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:27,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:27,828 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:27,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-12-06 04:31:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:28,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:28,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:28,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:29,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-12-06 04:31:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:30,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:30,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:30,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:30,124 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:30,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-12-06 04:31:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:30,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:30,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:30,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:32,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-12-06 04:31:32,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:32,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:32,483 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:32,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:32,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:32,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:32,484 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:32,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-12-06 04:31:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:32,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:32,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:32,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:34,269 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:34,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-12-06 04:31:34,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:34,285 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:34,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:34,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:34,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:34,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:34,287 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:34,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-12-06 04:31:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:34,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:34,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:34,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:36,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-12-06 04:31:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:36,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:36,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:36,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:36,290 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:36,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-12-06 04:31:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:36,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:36,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:36,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:38,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-12-06 04:31:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:38,369 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:38,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:38,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:38,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:38,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:38,370 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:38,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-12-06 04:31:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:38,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:38,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:38,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:40,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-12-06 04:31:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:40,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:40,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:40,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:40,103 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:40,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-12-06 04:31:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:40,322 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:40,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:40,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:41,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-12-06 04:31:41,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:41,979 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:41,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:41,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:41,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:41,981 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:41,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-12-06 04:31:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:42,205 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:42,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:42,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:43,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-12-06 04:31:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:43,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:43,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:43,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:43,876 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:43,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-12-06 04:31:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:44,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:44,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:44,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:45,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-12-06 04:31:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:45,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:45,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:45,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:45,605 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:45,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-12-06 04:31:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:45,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:45,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:45,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:49,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-12-06 04:31:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:49,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:49,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:49,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:49,117 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:49,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-12-06 04:31:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:49,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:49,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:49,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:50,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-12-06 04:31:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:50,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:50,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:50,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:50,759 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:50,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-12-06 04:31:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:51,031 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:51,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:31:51,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:52,618 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:52,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-12-06 04:31:52,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:52,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:52,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:52,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:52,654 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:52,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-12-06 04:31:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:52,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:52,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:52,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:54,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-12-06 04:31:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:54,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:54,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:54,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:54,520 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:54,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-12-06 04:31:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:54,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:54,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:54,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:56,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-12-06 04:31:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:56,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:56,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:56,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:56,250 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:56,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-12-06 04:31:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:56,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:56,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:31:56,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:31:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:31:59,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-12-06 04:31:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:31:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:31:59,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:31:59,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:59,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:31:59,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:31:59,238 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:31:59,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-12-06 04:31:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:59,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:31:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:59,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:31:59,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:32:00,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-12-06 04:32:00,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:00,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:00,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:00,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:00,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:00,856 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:00,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-12-06 04:32:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:01,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:01,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:32:01,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:32:02,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-12-06 04:32:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:02,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:02,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:02,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:02,661 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:02,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-12-06 04:32:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:02,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:02,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:02,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:04,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-12-06 04:32:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:04,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:04,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:04,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:04,411 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:04,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-12-06 04:32:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:04,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:04,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:04,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:06,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-12-06 04:32:06,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:06,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:06,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:06,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:06,138 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:06,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-12-06 04:32:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:06,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:06,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:06,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:07,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-12-06 04:32:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:07,965 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:07,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:07,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:07,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:07,967 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:07,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-12-06 04:32:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:08,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:08,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:08,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:09,596 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:09,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2024-12-06 04:32:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:09,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:09,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:09,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:09,832 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:09,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-12-06 04:32:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:10,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:10,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:10,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:11,522 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:11,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-12-06 04:32:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:11,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:11,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:11,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:11,541 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:11,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-12-06 04:32:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:11,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:11,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:11,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:12,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-12-06 04:32:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:13,238 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:13,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:13,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:13,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:13,240 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:13,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-12-06 04:32:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:13,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:13,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:13,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:14,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2024-12-06 04:32:14,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:14,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:14,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:14,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:14,974 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:14,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-12-06 04:32:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:15,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:15,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:15,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:16,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Ended with exit code 0 [2024-12-06 04:32:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:16,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:16,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:16,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:16,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:16,809 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:16,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-12-06 04:32:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:17,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:17,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:32:17,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:32:18,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-12-06 04:32:18,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:18,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:18,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:18,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:18,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:18,407 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:18,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-12-06 04:32:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:18,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:18,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:32:18,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:32:20,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Ended with exit code 0 [2024-12-06 04:32:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:20,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:20,390 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:20,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:20,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:20,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:20,392 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:20,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-12-06 04:32:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:20,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:20,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:20,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:22,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-12-06 04:32:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:22,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:22,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:22,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:22,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:22,237 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:22,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-12-06 04:32:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:22,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:22,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:22,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:23,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-12-06 04:32:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:24,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:24,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:24,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:24,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:24,021 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:24,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-12-06 04:32:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:24,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:24,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:24,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:25,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-12-06 04:32:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:25,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:25,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:25,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:25,694 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:25,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-12-06 04:32:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:25,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:25,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:26,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:27,403 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:27,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2024-12-06 04:32:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:27,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:27,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:27,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:27,423 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:27,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-12-06 04:32:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:27,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:27,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:27,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:28,982 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:28,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-12-06 04:32:29,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:29,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:29,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:29,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:29,241 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:29,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-12-06 04:32:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:29,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:29,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:29,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:33,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-12-06 04:32:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:33,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:33,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:33,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:33,624 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:33,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-12-06 04:32:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:33,868 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:33,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:33,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:35,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-12-06 04:32:35,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:35,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:35,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:35,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:35,484 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:35,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-12-06 04:32:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:35,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:35,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:35,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:37,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-12-06 04:32:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:37,328 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:37,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:37,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:37,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:37,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:37,330 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:37,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-12-06 04:32:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:37,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:37,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:37,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:39,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2024-12-06 04:32:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:40,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:40,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:40,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:40,163 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:40,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-12-06 04:32:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:40,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:40,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:40,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:42,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-12-06 04:32:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:42,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:42,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:42,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:42,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:42,100 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:42,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-12-06 04:32:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:42,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:42,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:42,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:43,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-12-06 04:32:43,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:43,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:43,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:43,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:43,846 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:43,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-12-06 04:32:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:44,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:44,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:44,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:45,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-12-06 04:32:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:45,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:45,495 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:45,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-12-06 04:32:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:45,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:45,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:32:45,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:32:48,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-12-06 04:32:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:48,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:48,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:48,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:48,104 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:48,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-12-06 04:32:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:48,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:48,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:48,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:49,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-12-06 04:32:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:50,057 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:50,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:50,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:50,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:50,059 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:50,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-12-06 04:32:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:50,322 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:50,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:50,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:51,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Forceful destruction successful, exit code 0 [2024-12-06 04:32:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:51,891 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:51,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:51,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:51,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:51,892 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:51,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-12-06 04:32:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:52,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:52,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:52,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:53,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-12-06 04:32:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:53,649 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:53,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:53,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:53,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:53,650 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:53,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-12-06 04:32:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:53,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:53,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:32:53,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:32:55,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-12-06 04:32:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:55,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:55,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:55,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:55,398 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:55,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-12-06 04:32:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:55,621 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:55,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:55,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:57,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-12-06 04:32:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:57,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:57,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:57,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:57,184 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:57,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-12-06 04:32:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:57,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:57,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:32:57,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:32:58,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-12-06 04:32:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:32:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:32:58,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:32:58,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:58,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:58,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:58,977 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:58,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-12-06 04:32:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:59,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:59,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:32:59,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:00,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-12-06 04:33:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:33:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:33:00,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:00,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:00,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:00,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:00,715 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:00,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-12-06 04:33:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:00,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:01,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:01,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:02,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-12-06 04:33:02,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-12-06 04:33:02,295 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-12-06 04:33:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:02,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:02,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:02,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:02,297 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:02,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-12-06 04:33:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:02,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:02,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:02,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:33:04,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Forceful destruction successful, exit code 0 [2024-12-06 04:33:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:04,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:04,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:04,894 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:04,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-12-06 04:33:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:05,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:05,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:05,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:06,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-12-06 04:33:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:06,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:06,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:06,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:06,642 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:06,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-12-06 04:33:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:06,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:06,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:06,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:08,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-12-06 04:33:08,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:08,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:08,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:08,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:08,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:08,717 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:08,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-12-06 04:33:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:08,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:09,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:09,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:10,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-12-06 04:33:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:10,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:10,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:10,561 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:10,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-12-06 04:33:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:10,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:10,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:10,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:12,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Forceful destruction successful, exit code 0 [2024-12-06 04:33:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:12,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:12,445 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:12,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:12,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:12,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:12,447 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:12,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-12-06 04:33:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:12,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:12,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:12,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:33:14,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Forceful destruction successful, exit code 0 [2024-12-06 04:33:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:14,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:14,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:14,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:14,469 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:14,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-12-06 04:33:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:14,699 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:14,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:14,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:33:17,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-12-06 04:33:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:17,089 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:17,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:17,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:17,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:17,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:17,091 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:17,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-12-06 04:33:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:17,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:17,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:17,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:18,845 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:18,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-12-06 04:33:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:18,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:18,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:18,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:18,866 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:18,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-12-06 04:33:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:19,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:19,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:19,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:20,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-12-06 04:33:20,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:20,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:20,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:20,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:20,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:20,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:20,764 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:20,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-12-06 04:33:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:21,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:21,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:21,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:22,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Forceful destruction successful, exit code 0 [2024-12-06 04:33:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:22,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:22,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:22,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:22,677 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:22,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-12-06 04:33:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:22,903 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:22,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:22,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:24,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-12-06 04:33:24,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:24,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:24,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:24,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:24,376 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:24,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-12-06 04:33:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:24,607 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:24,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:24,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:26,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-12-06 04:33:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:26,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:26,281 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:26,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:26,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:26,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:26,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:26,283 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:26,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-12-06 04:33:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:26,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:26,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:26,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:33:28,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-12-06 04:33:28,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:28,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:28,908 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:28,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:28,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:28,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:28,909 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:28,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-12-06 04:33:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:29,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:29,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:29,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:30,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-12-06 04:33:30,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:30,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:30,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:30,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:30,760 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:30,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-12-06 04:33:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:30,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:31,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:31,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:32,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-12-06 04:33:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:32,806 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:32,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:32,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:32,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:32,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:32,807 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:32,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-12-06 04:33:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:33,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:33,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:33,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:33:35,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-12-06 04:33:35,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:35,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:35,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:35,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:35,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:35,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:35,147 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:35,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-12-06 04:33:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:35,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:35,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:35,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:33:37,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-12-06 04:33:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:37,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:37,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:37,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:37,170 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:37,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-12-06 04:33:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:37,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:37,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:37,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:33:38,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-12-06 04:33:38,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:38,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:38,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:38,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:38,978 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:38,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-12-06 04:33:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:39,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:39,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:39,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:40,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-12-06 04:33:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:40,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:40,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:40,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:40,781 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:40,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-12-06 04:33:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:41,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:41,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:41,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:33:43,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2024-12-06 04:33:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:43,213 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:43,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:43,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:43,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:43,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:43,215 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:43,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-12-06 04:33:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:43,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:43,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:43,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:44,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-12-06 04:33:45,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:45,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:45,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:45,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:45,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:45,020 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:45,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-12-06 04:33:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:45,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:45,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:45,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:47,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Forceful destruction successful, exit code 0 [2024-12-06 04:33:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:47,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:47,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:47,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:47,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:47,090 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:47,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-12-06 04:33:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:47,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:47,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:47,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:48,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-12-06 04:33:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:48,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:48,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:48,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:48,898 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:48,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-12-06 04:33:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:49,127 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:49,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:49,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:51,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-12-06 04:33:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:51,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:51,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:51,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:51,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:51,794 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:51,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-12-06 04:33:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:52,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:52,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:33:52,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:53,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-12-06 04:33:53,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:53,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:53,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:53,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:53,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:53,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:53,690 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:53,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-12-06 04:33:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:53,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:53,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:33:53,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:33:56,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-12-06 04:33:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:56,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:56,086 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:56,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:56,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:56,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:56,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:56,088 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:56,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-12-06 04:33:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:56,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:56,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:56,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:33:57,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-12-06 04:33:58,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:33:58,045 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:33:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:33:58,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:58,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:58,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:58,047 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:58,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-12-06 04:33:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:58,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:58,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:33:58,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:00,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-12-06 04:34:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:00,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:00,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:00,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:00,473 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:00,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-12-06 04:34:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:00,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:00,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:34:00,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:02,097 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:02,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-12-06 04:34:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:02,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:02,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:02,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:02,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:02,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:02,113 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:02,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-12-06 04:34:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:02,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:02,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:34:02,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:04,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2024-12-06 04:34:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:04,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:04,457 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:04,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:04,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:04,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:04,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:04,459 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:04,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-12-06 04:34:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:04,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:04,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:34:04,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:06,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-12-06 04:34:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:06,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:06,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:06,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:06,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:06,274 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:06,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-12-06 04:34:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:06,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:06,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:34:06,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:08,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Forceful destruction successful, exit code 0 [2024-12-06 04:34:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:08,375 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:08,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:08,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:08,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:08,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:08,376 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:08,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-12-06 04:34:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:08,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:08,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:34:08,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:09,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2024-12-06 04:34:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:09,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:09,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:09,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:09,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:09,975 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:09,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-12-06 04:34:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:10,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:10,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:34:10,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:11,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-12-06 04:34:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:11,744 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:11,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:11,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:11,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:11,746 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:11,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-12-06 04:34:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:11,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:12,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:34:12,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:13,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-12-06 04:34:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:13,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:13,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:13,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:13,642 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:13,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-12-06 04:34:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:13,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:13,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:34:13,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:15,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Forceful destruction successful, exit code 0 [2024-12-06 04:34:15,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:15,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:15,445 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:15,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:15,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:15,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:15,447 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:15,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-12-06 04:34:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:15,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:15,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:15,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:34:18,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Forceful destruction successful, exit code 0 [2024-12-06 04:34:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:18,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:18,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:18,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:18,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:18,017 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:18,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-12-06 04:34:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:18,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:18,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:34:18,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:19,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-12-06 04:34:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:19,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:19,734 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:19,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:19,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:19,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:19,736 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:19,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-12-06 04:34:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:19,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:20,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:34:20,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:22,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-12-06 04:34:22,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:22,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:22,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:22,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:22,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:22,351 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:22,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-12-06 04:34:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:22,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:22,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:34:22,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:24,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-12-06 04:34:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:24,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:24,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:24,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:24,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:24,254 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:24,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-12-06 04:34:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:24,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:24,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:24,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:34:25,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2024-12-06 04:34:25,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:25,688 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:25,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:25,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:25,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:25,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:25,689 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:25,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-12-06 04:34:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:25,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:25,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:34:25,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:28,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-12-06 04:34:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:28,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:28,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:28,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:28,440 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:28,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-12-06 04:34:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:28,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:28,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:28,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:32,952 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:34:32,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2024-12-06 04:34:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:32,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:32,963 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:32,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:32,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:32,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:32,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:32,965 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:32,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-12-06 04:34:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:33,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:33,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:34:33,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:34,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-12-06 04:34:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:34,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:34,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:34,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:34,653 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:34,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-12-06 04:34:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:34,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:34,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:34,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 04:34:36,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (450)] Ended with exit code 0 [2024-12-06 04:34:36,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:36,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:36,937 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:36,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:36,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:36,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:36,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:36,939 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:36,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-12-06 04:34:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:37,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:37,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:34:37,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:34:38,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (451)] Forceful destruction successful, exit code 0 [2024-12-06 04:34:38,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2024-12-06 04:34:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2024-12-06 04:34:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:34:38,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:38,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:38,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:38,595 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:38,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbb57fa-a3cf-4cdf-917e-6c12a2747c05/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-12-06 04:34:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:38,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:38,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:34:38,850 INFO L279 TraceCheckSpWp]: Computing forward predicates...