./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/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 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:17:41,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:17:41,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:17:41,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:17:41,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:17:41,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:17:41,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:17:41,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:17:41,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:17:41,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:17:41,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:17:41,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:17:41,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:17:41,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:17:41,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:17:41,629 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:17:41,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:17:41,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:41,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:17:41,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:17:41,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:17:41,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:17:41,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:17:41,630 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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/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 -> 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e [2024-12-05 22:17:41,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:17:41,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:17:41,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:17:41,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:17:41,909 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:17:41,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-12-05 22:17:44,637 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data/1d8eeaa31/523500f26a224d1db7c0a901f7309104/FLAGca2efca04 [2024-12-05 22:17:44,861 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:17:44,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-12-05 22:17:44,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data/1d8eeaa31/523500f26a224d1db7c0a901f7309104/FLAGca2efca04 [2024-12-05 22:17:44,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data/1d8eeaa31/523500f26a224d1db7c0a901f7309104 [2024-12-05 22:17:44,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:17:44,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:17:44,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:44,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:17:44,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:17:44,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0832d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44, skipping insertion in model container [2024-12-05 22:17:44,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:17:45,024 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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-12-05 22:17:45,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:45,071 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:17:45,081 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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-12-05 22:17:45,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:45,115 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:17:45,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45 WrapperNode [2024-12-05 22:17:45,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:45,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:45,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:17:45,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:17:45,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,155 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-12-05 22:17:45,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:45,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:17:45,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:17:45,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:17:45,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,173 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:17:45,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:17:45,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:17:45,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:17:45,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:45,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:17:45,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:17:45,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:17:45,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:17:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:17:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:17:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:17:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:17:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:17:45,287 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:17:45,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:17:45,476 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-05 22:17:45,477 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:17:45,593 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:17:45,593 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:17:45,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:45 BoogieIcfgContainer [2024-12-05 22:17:45,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:17:45,594 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:17:45,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:17:45,601 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:17:45,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:45" (1/1) ... [2024-12-05 22:17:45,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:17:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-12-05 22:17:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-05 22:17:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:17:45,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:45,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:17:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:45,843 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:17:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:45,897 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:17:45,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:17:45 ImpRootNode [2024-12-05 22:17:45,927 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:17:45,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:17:45,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:17:45,927 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:17:45,928 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:45" (3/4) ... [2024-12-05 22:17:45,930 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:17:45,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:17:45,932 INFO L158 Benchmark]: Toolchain (without parser) took 1041.35ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 56.7MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:17:45,932 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:45,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.85ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 104.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:17:45,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.37ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:17:45,933 INFO L158 Benchmark]: Boogie Preprocessor took 28.29ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 101.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:45,933 INFO L158 Benchmark]: RCFGBuilder took 409.02ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 75.6MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:17:45,934 INFO L158 Benchmark]: CodeCheck took 332.74ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 56.7MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:45,934 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 56.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:45,937 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 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 shiftLeft at line 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_3 = 4; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 100; [L26] unsigned char var_1_9 = 32; [L27] double var_1_10 = 9.2; [L28] double var_1_11 = 0.975; [L29] signed short int var_1_12 = 1; [L30] signed short int last_1_var_1_8 = 100; [L31] double last_1_var_1_10 = 9.2; [L79] isInitial = 1 [L80] FCALL initially() [L82] CALL updateLastVariables() [L71] last_1_var_1_8 = var_1_8 [L72] last_1_var_1_10 = var_1_10 [L82] RET updateLastVariables() [L83] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L63] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=0, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=0, var_1_7=0, var_1_8=100, var_1_9=32] [L64] var_1_7 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=0, var_1_8=100, var_1_9=32] [L66] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=0, var_1_7=1, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=0, var_1_7=1, var_1_8=100, var_1_9=32] [L67] var_1_11 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_12=1, var_1_1=10, var_1_3=0, var_1_7=1, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_12=1, var_1_1=10, var_1_3=0, var_1_7=1, var_1_8=100, var_1_9=32] [L83] RET updateVariables() [L84] CALL step() [L35] COND FALSE !(last_1_var_1_8 <= 16) [L38] COND FALSE !(((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) [L45] var_1_1 = var_1_3 [L48] var_1_9 = 64 [L49] var_1_10 = var_1_11 [L50] EXPR 10 << var_1_9 [L50] COND FALSE !((10 << var_1_9) < (var_1_3 * var_1_1)) [L53] unsigned char stepLocal_0 = var_1_10 > var_1_10; [L54] COND TRUE ((var_1_1 + var_1_9) < 10) || stepLocal_0 [L55] var_1_12 = ((((var_1_8) > (var_1_1)) ? (var_1_8) : (var_1_1))) [L84] RET step() [L85] CALL, EXPR property() [L75] EXPR ((last_1_var_1_8 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_9) < (var_1_3 * var_1_1)) ? (var_1_8 == ((signed short int) (var_1_9 + var_1_1))) : 1) [L75] EXPR 10 << var_1_9 [L75] EXPR ((last_1_var_1_8 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_9) < (var_1_3 * var_1_1)) ? (var_1_8 == ((signed short int) (var_1_9 + var_1_1))) : 1) [L75-L76] return (((((last_1_var_1_8 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_9) < (var_1_3 * var_1_1)) ? (var_1_8 == ((signed short int) (var_1_9 + var_1_1))) : 1)) && (var_1_9 == ((unsigned char) 64))) && (var_1_10 == ((double) var_1_11))) && ((((var_1_1 + var_1_9) < 10) || (var_1_10 > var_1_10)) ? (var_1_12 == ((signed short int) ((((var_1_8) > (var_1_1)) ? (var_1_8) : (var_1_1))))) : (var_1_12 == ((signed short int) var_1_8))) ; [L85] RET, EXPR property() [L85] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=100, var_1_1=0, var_1_3=0, var_1_7=1, var_1_8=100, var_1_9=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=100, var_1_1=0, var_1_3=0, var_1_7=1, var_1_8=100, var_1_9=64] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.85ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 104.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.37ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.29ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 101.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.02ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 75.6MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 332.74ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 56.7MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 142.6MB. Free memory was 56.7MB in the beginning and 56.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:17:45,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/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 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:17:48,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:17:48,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:17:48,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:17:48,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:17:48,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:17:48,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:17:48,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:17:48,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:17:48,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:17:48,158 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:17:48,158 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:17:48,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:17:48,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:17:48,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:17:48,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:17:48,158 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:17:48,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:48,159 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:17:48,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:17:48,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:48,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:17:48,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:17:48,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:17:48,160 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:17:48,160 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:48,160 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:17:48,160 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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/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 -> 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e [2024-12-05 22:17:48,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:17:48,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:17:48,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:17:48,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:17:48,426 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:17:48,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-12-05 22:17:51,227 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data/162e1123f/8a2694baea3f4ca1bd170c65c046fa51/FLAG0c19796c1 [2024-12-05 22:17:51,449 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:17:51,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-12-05 22:17:51,458 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data/162e1123f/8a2694baea3f4ca1bd170c65c046fa51/FLAG0c19796c1 [2024-12-05 22:17:51,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/data/162e1123f/8a2694baea3f4ca1bd170c65c046fa51 [2024-12-05 22:17:51,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:17:51,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:17:51,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:51,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:17:51,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:17:51,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ccd0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51, skipping insertion in model container [2024-12-05 22:17:51,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:17:51,952 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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-12-05 22:17:51,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:51,994 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:17:52,002 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_a72f3a1e-6482-4226-9a08-24a782dc9ba2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-12-05 22:17:52,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:52,030 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:17:52,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52 WrapperNode [2024-12-05 22:17:52,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:52,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:52,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:17:52,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:17:52,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,063 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-12-05 22:17:52,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:52,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:17:52,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:17:52,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:17:52,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,081 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:17:52,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:17:52,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:17:52,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:17:52,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:52,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:17:52,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:17:52,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:17:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:17:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:17:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:17:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:17:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:17:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:17:52,203 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:17:52,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:17:52,400 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 22:17:52,400 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:17:52,498 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:17:52,499 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:17:52,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:52 BoogieIcfgContainer [2024-12-05 22:17:52,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:17:52,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:17:52,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:17:52,508 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:17:52,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:52" (1/1) ... [2024-12-05 22:17:52,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:17:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-12-05 22:17:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-05 22:17:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:17:52,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:52,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:52,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:52,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:52,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:17:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:53,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:53,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:17:53,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:18:04,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:18:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 39 transitions. [2024-12-05 22:18:04,823 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-12-05 22:18:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:18:04,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:04,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:04,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:04,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:04,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:18:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:05,394 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:05,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:18:05,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:18:12,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:18:14,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:14,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:18:14,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:18:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:18:14,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:14,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:14,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:14,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:18:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:15,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:15,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:18:15,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:18:21,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:18:21,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:18:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:18:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:18:21,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:21,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:21,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:21,757 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:21,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:18:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:22,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:22,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:18:22,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:18:28,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:18:28,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:18:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:18:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:18:28,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:28,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:28,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:28,578 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:28,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:18:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:29,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:29,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:18:29,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:18:35,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:18:35,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:18:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:18:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:18:35,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:35,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:35,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:35,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:35,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:18:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:35,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:35,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:18:35,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:18:42,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:18:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:42,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:18:42,074 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:18:42,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:18:42,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:42,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:42,076 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:42,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:18:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:42,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:42,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:18:42,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:18:48,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:18:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:18:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:18:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:18:48,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:48,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:48,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:48,700 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:48,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:18:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:49,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:49,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:18:49,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:18:55,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:18:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:18:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:18:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:18:55,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:55,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:55,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:55,359 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:55,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:18:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:55,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:55,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:18:55,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:19:02,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:19:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:19:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:19:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:19:02,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:02,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:02,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:02,041 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:02,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:19:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:02,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:02,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:02,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:19:08,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:19:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:19:08,738 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:19:08,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:19:08,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:08,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:08,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:08,741 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:08,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:19:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:09,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:09,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:09,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:15,580 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:19:15,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:19:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:19:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:19:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:19:15,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:15,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:15,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:15,593 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:15,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:19:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:16,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:16,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:16,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:19:22,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-05 22:19:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:19:22,237 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:19:22,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:19:22,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:22,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:22,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:22,239 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:22,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:19:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:22,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:22,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:22,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:19:28,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-05 22:19:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:28,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:19:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:19:28,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:19:28,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:28,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:28,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:28,896 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:28,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:19:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:29,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:29,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:29,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:19:35,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:19:35,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:19:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:19:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:19:35,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:35,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:35,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:35,499 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:35,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:19:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:36,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:36,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:36,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:19:42,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:19:42,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:19:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:19:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:19:42,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:42,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:42,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:42,221 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:42,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:19:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:42,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:42,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:42,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:19:48,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:19:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:19:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:19:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:19:48,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:48,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:48,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:48,894 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:48,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:19:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:49,404 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:49,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:49,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:19:55,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:19:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:55,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:19:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:19:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:19:55,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:55,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:55,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:55,605 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:55,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:19:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:56,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:56,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:56,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:20:02,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:20:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:20:02,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:20:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:20:02,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:02,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:02,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:02,201 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:02,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:20:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:02,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:02,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:20:02,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:20:08,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:20:08,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:20:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:20:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:20:08,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:08,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:08,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:08,896 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:08,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:20:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:09,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:09,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:20:09,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:20:15,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:20:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:20:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:20:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:20:15,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:15,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:15,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:15,617 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:15,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:20:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:16,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:16,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:20:16,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:20:22,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:20:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:20:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:20:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:20:22,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:22,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:22,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:22,264 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:22,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:20:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:22,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:22,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:20:22,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:20:28,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:20:28,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:20:28,932 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:20:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:20:28,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:28,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:28,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:28,934 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:28,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:20:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:29,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:29,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:20:29,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:20:35,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:20:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:20:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:20:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:20:35,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:35,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:35,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:35,569 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:35,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:20:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:36,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:36,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:20:36,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:20:42,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:20:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:20:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:20:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:20:42,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:42,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:42,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:42,212 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:42,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:20:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:42,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:42,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:20:42,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:20:48,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:20:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:48,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:20:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:20:48,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:20:48,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:48,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:48,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:48,918 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:48,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:20:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:49,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:49,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:20:49,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:20:55,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:20:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:20:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:20:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:20:55,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:55,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:55,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:55,530 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:55,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:20:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:56,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:56,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:20:56,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:21:02,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:21:02,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:02,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:21:02,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:21:02,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:21:02,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:02,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:02,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:02,213 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:02,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:21:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:02,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:02,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:21:02,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:08,823 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:21:08,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 22:21:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:21:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:21:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:21:08,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:08,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:08,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:08,835 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:08,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:21:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:09,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:09,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:21:09,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:21:15,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:21:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:15,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:21:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:21:15,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:21:15,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:15,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:15,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:15,527 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:15,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:21:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:16,030 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:16,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:21:16,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:21:22,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:21:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:22,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:21:22,152 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:21:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:21:22,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:22,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:22,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:22,154 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:22,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:21:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:22,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:22,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:21:22,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:21:28,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:21:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:21:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:21:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:21:28,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:28,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:28,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:28,762 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:28,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:21:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:29,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:29,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:21:29,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:21:35,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 22:21:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:21:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:21:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:21:35,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:35,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:35,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:35,470 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:35,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:21:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:35,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:36,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:21:36,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:42,093 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:21:42,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:21:42,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:21:42,103 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:21:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:21:42,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:42,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:42,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:42,105 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:42,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:21:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:42,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:42,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:21:42,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:48,752 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:21:48,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:21:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:21:48,766 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:21:48,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:21:48,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:48,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:48,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:48,768 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:48,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:21:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:49,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:49,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:21:49,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:21:55,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:21:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:21:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:21:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:21:55,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:55,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:55,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:55,620 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:55,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:21:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:56,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:56,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:21:56,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:22:02,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 22:22:02,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:02,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:22:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:22:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:22:02,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:02,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:02,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:02,836 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:02,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 22:22:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:03,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:03,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:03,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:22:09,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 22:22:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:22:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:22:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:22:10,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:10,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:10,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:10,002 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:10,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 22:22:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:10,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:10,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:10,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:22:16,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 22:22:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:16,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:22:16,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:22:16,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:22:16,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:16,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:16,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:16,725 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:16,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 22:22:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:17,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:17,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:17,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:22:23,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 22:22:23,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:22:23,371 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:22:23,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:22:23,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:23,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:23,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:23,372 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:23,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 22:22:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:23,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:23,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:23,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:30,052 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:22:30,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 22:22:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:22:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:22:30,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:22:30,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:30,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:30,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:30,065 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:30,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 22:22:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:30,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:30,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:30,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:22:36,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 22:22:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:22:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:22:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:22:36,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:36,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:36,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:36,852 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:36,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 22:22:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:37,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:37,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:37,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:22:43,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 22:22:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:22:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:22:43,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:22:43,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:43,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:43,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:43,995 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:43,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 22:22:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:44,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:44,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:44,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:22:50,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-05 22:22:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:22:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:22:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:22:50,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:50,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:50,728 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:50,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-05 22:22:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:51,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:51,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:51,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:22:57,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-05 22:22:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:57,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:22:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:22:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:22:57,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:57,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:57,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:57,519 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:57,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-05 22:22:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:58,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:58,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:58,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:23:04,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-05 22:23:04,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:23:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:23:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:23:04,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:04,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:04,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:04,275 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:04,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-05 22:23:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:04,772 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:04,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:04,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:23:10,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-05 22:23:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:23:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:23:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:23:10,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:10,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:10,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:10,977 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:10,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-05 22:23:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:11,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:11,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:11,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:23:17,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-05 22:23:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:17,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:23:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:23:17,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:23:17,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:17,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:17,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:17,696 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:17,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-05 22:23:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:18,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:18,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:18,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:23:24,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-05 22:23:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:23:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:23:24,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:23:24,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:24,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:24,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:24,557 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:24,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-05 22:23:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:25,060 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:25,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:25,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:31,586 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:23:31,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-05 22:23:31,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:31,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:23:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:23:31,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:23:31,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:31,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:31,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:31,598 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:31,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-05 22:23:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:32,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:32,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:32,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:23:38,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-05 22:23:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:23:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:23:38,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:23:38,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:38,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:38,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:38,348 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:38,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-05 22:23:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:38,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:38,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:38,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:23:45,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-05 22:23:45,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:23:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:23:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:23:45,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:45,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:45,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:45,207 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:45,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-05 22:23:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:45,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:45,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:45,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:23:52,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-05 22:23:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:23:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:23:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:23:52,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:52,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:52,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:52,040 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:52,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-05 22:23:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:52,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:52,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:52,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:23:58,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-05 22:23:58,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:58,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:23:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:23:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:23:58,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:58,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:58,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:58,758 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:58,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-05 22:23:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:59,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:59,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:59,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:05,680 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:24:05,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-05 22:24:05,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:24:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:24:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:24:05,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:05,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:05,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:05,692 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:05,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-05 22:24:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:06,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:06,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:06,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:24:12,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-05 22:24:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:12,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:24:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:24:12,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:24:12,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:12,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:12,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:12,702 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:12,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-05 22:24:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:13,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:13,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:13,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:24:19,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-05 22:24:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:19,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:24:19,452 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:24:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:24:19,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:19,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:19,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:19,453 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:19,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-05 22:24:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:19,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:20,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:20,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:24:26,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-05 22:24:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:26,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:24:26,203 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:24:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:24:26,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:26,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:26,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:26,205 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:26,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-05 22:24:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:26,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:26,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:26,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:24:32,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-05 22:24:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:24:32,974 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:24:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:24:32,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:32,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:32,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:32,976 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:32,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-05 22:24:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:33,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:33,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:33,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:39,677 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:24:39,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-05 22:24:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:24:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:24:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:24:39,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:39,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:39,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:39,689 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:39,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-05 22:24:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:40,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:40,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:40,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:24:46,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-12-05 22:24:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:46,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:24:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:24:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:24:46,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:46,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:46,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:46,640 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:46,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-05 22:24:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:47,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:47,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:47,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:24:53,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-12-05 22:24:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:24:53,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:24:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:24:53,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:53,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:53,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:53,692 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:53,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-05 22:24:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:54,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:54,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:54,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:25:00,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-05 22:25:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:25:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:25:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:25:00,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:00,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:00,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:00,381 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:00,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-05 22:25:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:00,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:00,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:00,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:25:07,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-05 22:25:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:25:07,196 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:25:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:25:07,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:07,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:07,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:07,198 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:07,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-05 22:25:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:07,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:07,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:07,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:25:13,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-05 22:25:14,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:25:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:25:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:25:14,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:14,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:14,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:14,009 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:14,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-05 22:25:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:14,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:14,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:14,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:25:20,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-05 22:25:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:20,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:25:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:25:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:25:20,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:20,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:20,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:20,802 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:20,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-05 22:25:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:21,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:21,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:21,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:25:27,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-12-05 22:25:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:25:27,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:25:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:25:27,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:27,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:27,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:27,466 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:27,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-05 22:25:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:27,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:27,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:27,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:25:34,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-05 22:25:34,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:25:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:25:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:25:34,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:34,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:34,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:34,469 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:34,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-05 22:25:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:35,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:35,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:35,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:25:42,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-05 22:25:42,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:25:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:25:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:25:42,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:42,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:42,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:42,687 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:42,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-05 22:25:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:43,369 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:43,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:43,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:25:50,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-05 22:25:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:25:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:25:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:25:50,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:50,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:50,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:50,291 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:50,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-05 22:25:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:50,842 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:50,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:50,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:25:56,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-05 22:25:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:25:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:25:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:25:57,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:57,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:57,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:57,013 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:57,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-05 22:25:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:57,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:57,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:57,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:26:03,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-12-05 22:26:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:26:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:26:03,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:26:03,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:03,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:03,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:03,741 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:03,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-05 22:26:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:04,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:04,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:04,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:26:10,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-05 22:26:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:26:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:26:10,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:26:10,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:10,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:10,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:10,363 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:10,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-05 22:26:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:10,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:10,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:10,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:26:16,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-05 22:26:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:26:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:26:16,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:26:16,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:16,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:16,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:16,968 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:16,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-05 22:26:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:17,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:17,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:17,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:26:23,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-05 22:26:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:26:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:26:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:26:23,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:23,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:23,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:23,661 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:23,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-05 22:26:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:24,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:24,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:24,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:26:30,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-12-05 22:26:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:26:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:26:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:26:30,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:30,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:30,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:30,300 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:30,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-05 22:26:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:30,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:30,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:30,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:36,943 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:26:36,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-05 22:26:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:26:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:26:36,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:26:36,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:36,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:36,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:36,954 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:36,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-05 22:26:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:37,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:37,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:37,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:26:43,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-05 22:26:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:43,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:26:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:26:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:26:43,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:43,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:43,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:43,583 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:43,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-05 22:26:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:44,086 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:44,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:44,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:26:50,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-05 22:26:50,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:26:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:26:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:26:50,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:50,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:50,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:50,247 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:50,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-05 22:26:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:50,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:50,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:50,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:26:56,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-12-05 22:26:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:26:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:26:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:26:56,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:56,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:56,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:56,976 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:56,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-05 22:26:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:57,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:57,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:57,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:27:05,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-05 22:27:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:27:05,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:27:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:27:05,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:05,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:05,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:05,466 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:05,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-05 22:27:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:06,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:06,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:06,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:27:12,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-05 22:27:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:27:12,486 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:27:12,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:27:12,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:12,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:12,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:12,488 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:12,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-05 22:27:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:12,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:13,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:13,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:27:19,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-05 22:27:19,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:19,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:27:19,129 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:27:19,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:27:19,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:19,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:19,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:19,131 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:19,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-05 22:27:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:19,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:19,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:19,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:27:25,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-05 22:27:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:27:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:27:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:27:25,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:25,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:25,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:25,759 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:25,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-05 22:27:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:26,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:26,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:26,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:27:32,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-05 22:27:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:27:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:27:32,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:27:32,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:32,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:32,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:32,408 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:32,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-05 22:27:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:32,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:32,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:32,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:39,025 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:27:39,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-12-05 22:27:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:39,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:27:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:27:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:27:39,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:39,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:39,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:39,037 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:39,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-05 22:27:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:39,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:39,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:39,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:27:45,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-05 22:27:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:27:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:27:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:27:45,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:45,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:45,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:45,690 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:45,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-05 22:27:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:46,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:46,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:46,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:27:52,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-12-05 22:27:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:27:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:27:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:27:52,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:52,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:52,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:52,347 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:52,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-05 22:27:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:52,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:52,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:52,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:58,974 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:27:58,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-05 22:27:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:58,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:27:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:27:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:27:58,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:58,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:58,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:58,986 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:58,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-05 22:27:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:59,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:59,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:59,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:28:05,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-05 22:28:05,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:28:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:28:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:05,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:05,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:05,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:05,617 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:05,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-05 22:28:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:06,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:06,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:28:06,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:28:12,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-05 22:28:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:28:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:28:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:12,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:12,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:12,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:12,405 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:12,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-05 22:28:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:12,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:12,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:28:12,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:28:19,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-05 22:28:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:28:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:28:19,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:19,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:19,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:19,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:19,088 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:19,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-05 22:28:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:19,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:19,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:28:19,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:28:25,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-12-05 22:28:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:28:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:28:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:25,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:25,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:25,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:25,785 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:25,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-05 22:28:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:26,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:26,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:28:26,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:28:32,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-05 22:28:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:28:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:28:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:32,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:32,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:32,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:32,475 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:32,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-05 22:28:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:32,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:33,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:28:33,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:28:39,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-05 22:28:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:28:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:28:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:39,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:39,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:39,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:39,102 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:39,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-05 22:28:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:39,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:39,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:28:39,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:28:45,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-05 22:28:45,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:28:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:28:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:45,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:45,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:45,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:45,720 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:45,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-05 22:28:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:46,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:46,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:28:46,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:28:52,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-05 22:28:52,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:52,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:28:52,394 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:28:52,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:52,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:52,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:52,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:52,396 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:52,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-05 22:28:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:52,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:52,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:28:52,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:28:59,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-05 22:28:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:28:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:28:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:28:59,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:59,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:59,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:59,016 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:59,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-05 22:28:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:59,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:59,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:28:59,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:29:05,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-12-05 22:29:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:29:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:29:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:29:05,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:05,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:05,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:05,769 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:05,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-05 22:29:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:06,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:06,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:29:06,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:29:12,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-05 22:29:12,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:29:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:29:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:29:12,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:12,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:12,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:12,979 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:12,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-05 22:29:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:13,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:13,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:29:13,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:29:19,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-05 22:29:19,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:29:19,613 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:29:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:29:19,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:19,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:19,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:19,615 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:19,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-05 22:29:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:20,122 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:20,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:29:20,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:26,249 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:29:26,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-05 22:29:26,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:29:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:29:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:29:26,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:26,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:26,261 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:26,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-05 22:29:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:26,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:26,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:29:26,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:29:32,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-05 22:29:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:29:32,954 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:29:32,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:29:32,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:32,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:32,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:32,955 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:32,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-05 22:29:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:33,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:33,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:29:33,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:29:39,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-05 22:29:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:29:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:29:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:29:39,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:39,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:39,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:39,655 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:39,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-05 22:29:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:40,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:40,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:29:40,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:29:46,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-12-05 22:29:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:46,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:29:46,332 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:29:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:29:46,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:46,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:46,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:46,333 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:46,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-05 22:29:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:46,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:46,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:29:46,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:29:52,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-05 22:29:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:29:52,977 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:29:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:29:52,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:52,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:52,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:52,979 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:52,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-05 22:29:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:53,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:29:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:53,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:29:53,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:29:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:29:59,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-12-05 22:29:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:29:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:29:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:29:59,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:59,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:59,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:59,663 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:59,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-05 22:30:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:00,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:00,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:30:00,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:30:06,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-05 22:30:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:06,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:30:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:30:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:30:06,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:06,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:06,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:06,393 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:06,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-05 22:30:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:06,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:06,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:30:06,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:30:13,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-12-05 22:30:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:30:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:30:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:30:13,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:13,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:13,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:13,173 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:13,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-05 22:30:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:13,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:13,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:30:13,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:30:19,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-05 22:30:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:19,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:30:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:30:19,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:30:19,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:19,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:19,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:19,799 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:19,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-05 22:30:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:20,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:20,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:30:20,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:30:26,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-05 22:30:26,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:30:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:30:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:30:26,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:26,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:26,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:26,459 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:26,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-05 22:30:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:26,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:27,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:30:27,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:30:33,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-05 22:30:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:30:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:30:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:30:33,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:33,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:33,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:33,106 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:33,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-05 22:30:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:33,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:33,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:30:33,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:30:39,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-05 22:30:39,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:30:39,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:30:39,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:30:39,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:39,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:39,750 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:39,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-05 22:30:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:40,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:40,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:30:40,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:30:46,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-05 22:30:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:30:46,388 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:30:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:30:46,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:46,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:46,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:46,390 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:46,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-05 22:30:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:46,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:46,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:30:46,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:52,999 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:30:53,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-05 22:30:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:30:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:30:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:30:53,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:53,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:53,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:53,010 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:53,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-05 22:30:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:53,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:53,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:30:53,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:30:59,642 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:30:59,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-05 22:30:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:30:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:30:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:30:59,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:59,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:59,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:59,654 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:59,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-05 22:31:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:00,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:00,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:31:00,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:31:06,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-05 22:31:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:31:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:31:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:31:06,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:06,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:06,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:06,378 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:06,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-05 22:31:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:06,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:06,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:31:06,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:31:13,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-05 22:31:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:31:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:31:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:31:13,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:13,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:13,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:13,195 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:13,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-05 22:31:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:13,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:13,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:31:13,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:31:19,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-05 22:31:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:31:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:31:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:31:19,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:19,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:19,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:19,833 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:19,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-05 22:31:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:20,342 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:20,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:31:20,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:31:26,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-05 22:31:26,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:26,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:31:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:31:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:31:26,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:26,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:26,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:26,528 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:26,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-05 22:31:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:27,034 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:27,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:31:27,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:31:33,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-05 22:31:33,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:31:33,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:31:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:31:33,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:33,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:33,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:33,180 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:33,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-05 22:31:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:33,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:33,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:31:33,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:31:39,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-05 22:31:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:31:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:31:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:31:39,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:39,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:39,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:39,836 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:39,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-05 22:31:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:40,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:40,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:31:40,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:46,520 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:31:46,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-05 22:31:46,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:46,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:31:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:31:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:31:46,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:46,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:46,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:46,532 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:46,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-05 22:31:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:47,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:47,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:31:47,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:31:53,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-05 22:31:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:31:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:31:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:31:53,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:53,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:53,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:53,139 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:53,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-05 22:31:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:53,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:31:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:53,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:31:53,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:31:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:31:59,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-12-05 22:31:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:31:59,796 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:31:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:31:59,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:31:59,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:31:59,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:31:59,798 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:31:59,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-05 22:32:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:00,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:00,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:32:00,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:32:06,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-12-05 22:32:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:06,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:32:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:32:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:32:06,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:06,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:06,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:06,765 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:06,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-05 22:32:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:07,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:07,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:32:07,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:32:15,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-05 22:32:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:32:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:32:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:32:15,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:15,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:15,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:15,811 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:15,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-05 22:32:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:16,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:16,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:32:16,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:32:23,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-05 22:32:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:32:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:32:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:32:23,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:23,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:23,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:23,291 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:23,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-05 22:32:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:23,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:23,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:32:23,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:32:30,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-12-05 22:32:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:32:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:32:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:32:30,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:30,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:30,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:30,362 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:30,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-05 22:32:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:30,856 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:30,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:32:30,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:37,328 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:32:37,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-05 22:32:37,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:32:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:32:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:32:37,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:37,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:37,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:37,342 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:37,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-05 22:32:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:37,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:37,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:32:37,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:32:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-12-05 22:32:44,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-05 22:32:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:32:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-12-05 22:32:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-12-05 22:32:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:32:44,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:32:44,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:44,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:32:44,300 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:32:44,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a72f3a1e-6482-4226-9a08-24a782dc9ba2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-05 22:32:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:44,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:32:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:32:44,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:32:44,951 INFO L279 TraceCheckSpWp]: Computing forward predicates...