./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_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/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_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:36:58,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:36:58,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:36:58,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:36:58,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:36:58,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:36:58,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:36:58,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:36:58,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:36:58,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:36:58,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:36:58,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:36:58,352 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:36:58,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:36:58,353 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:36:58,353 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:36:58,355 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:36:58,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:36:58,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:36:58,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:36:58,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:36:58,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:36:58,356 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:36:58,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:36:58,356 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_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:36:58,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:36:58,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:36:58,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:36:58,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:36:58,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:36:58,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-11-25 02:37:02,021 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data/5ee41b2f0/49bad6c058ac494b9c9539ee1320a066/FLAG12b30ce88 [2024-11-25 02:37:02,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:37:02,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-11-25 02:37:02,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data/5ee41b2f0/49bad6c058ac494b9c9539ee1320a066/FLAG12b30ce88 [2024-11-25 02:37:02,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data/5ee41b2f0/49bad6c058ac494b9c9539ee1320a066 [2024-11-25 02:37:02,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:37:02,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:37:02,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:37:02,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:37:02,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:37:02,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b460d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02, skipping insertion in model container [2024-11-25 02:37:02,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:37:02,594 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_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-25 02:37:02,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:37:02,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:37:02,700 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_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-25 02:37:02,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:37:02,746 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:37:02,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02 WrapperNode [2024-11-25 02:37:02,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:37:02,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:37:02,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:37:02,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:37:02,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,820 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-25 02:37:02,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:37:02,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:37:02,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:37:02,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:37:02,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,841 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:37:02,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:37:02,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:37:02,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:37:02,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:02" (1/1) ... [2024-11-25 02:37:02,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:37:02,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:37:02,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:37:02,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:37:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:37:02,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:37:02,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:37:02,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:37:02,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:37:02,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:37:03,056 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:37:03,061 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:37:03,474 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 02:37:03,474 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:37:03,701 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:37:03,701 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:37:03,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:37:03 BoogieIcfgContainer [2024-11-25 02:37:03,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:37:03,703 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:37:03,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:37:03,717 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:37:03,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:37:03" (1/1) ... [2024-11-25 02:37:03,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:37:03,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-25 02:37:03,794 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-25 02:37:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:37:03,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:03,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:37:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:37:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:37:04,175 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:37:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:37:04,270 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:37:04,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:37:04 ImpRootNode [2024-11-25 02:37:04,326 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:37:04,326 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:37:04,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:37:04,327 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:37:04,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:37:03" (3/4) ... [2024-11-25 02:37:04,338 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:37:04,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:37:04,340 INFO L158 Benchmark]: Toolchain (without parser) took 1988.16ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 57.3MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 02:37:04,344 INFO L158 Benchmark]: CDTParser took 1.78ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:37:04,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.29ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:37:04,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.74ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:37:04,346 INFO L158 Benchmark]: Boogie Preprocessor took 40.81ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:37:04,346 INFO L158 Benchmark]: RCFGBuilder took 835.64ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 76.4MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:37:04,346 INFO L158 Benchmark]: CodeCheck took 622.36ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 57.7MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:37:04,347 INFO L158 Benchmark]: Witness Printer took 12.94ms. Allocated memory is still 142.6MB. Free memory was 57.5MB in the beginning and 57.3MB in the end (delta: 179.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:37:04,353 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 1.78ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.29ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.74ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.81ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 835.64ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 76.4MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 622.36ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 57.7MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 12.94ms. Allocated memory is still 142.6MB. Free memory was 57.5MB in the beginning and 57.3MB in the end (delta: 179.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:37:04,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/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_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:37:07,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:37:07,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:37:07,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:37:07,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:37:07,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:37:07,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:37:07,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:37:07,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:37:07,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:37:07,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:37:07,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:37:07,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:37:07,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:37:07,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:37:07,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:37:07,845 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:37:07,846 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:37:07,846 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:37:07,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:37:07,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:37:07,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:37:07,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:37:07,847 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:37:07,848 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:37:07,848 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:37:07,849 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:07,849 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:37:07,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:37:07,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:37:07,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:37:07,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:37:07,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:37:07,853 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:37:07,854 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:07,854 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:37:07,854 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_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:37:08,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:37:08,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:37:08,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:37:08,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:37:08,325 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:37:08,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-11-25 02:37:11,661 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data/6b11e49cf/d50e41305b8249ab9a9572be05ccfc84/FLAG526723e75 [2024-11-25 02:37:11,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:37:11,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-11-25 02:37:11,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data/6b11e49cf/d50e41305b8249ab9a9572be05ccfc84/FLAG526723e75 [2024-11-25 02:37:12,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/data/6b11e49cf/d50e41305b8249ab9a9572be05ccfc84 [2024-11-25 02:37:12,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:37:12,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:37:12,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:37:12,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:37:12,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:37:12,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cfc38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12, skipping insertion in model container [2024-11-25 02:37:12,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:37:12,508 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_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-25 02:37:12,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:37:12,606 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:37:12,623 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_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-25 02:37:12,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:37:12,688 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:37:12,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12 WrapperNode [2024-11-25 02:37:12,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:37:12,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:37:12,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:37:12,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:37:12,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,761 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-11-25 02:37:12,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:37:12,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:37:12,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:37:12,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:37:12,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:37:12,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:37:12,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:37:12,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:37:12,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:12" (1/1) ... [2024-11-25 02:37:12,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:37:12,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:37:12,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:37:12,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:37:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:37:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:37:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:37:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:37:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:37:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:37:12,958 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:37:12,960 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:37:13,206 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 02:37:13,207 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:37:13,341 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:37:13,345 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:37:13,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:37:13 BoogieIcfgContainer [2024-11-25 02:37:13,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:37:13,348 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:37:13,348 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:37:13,358 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:37:13,358 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:37:13" (1/1) ... [2024-11-25 02:37:13,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:37:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-25 02:37:13,424 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-25 02:37:13,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:37:13,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:13,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:13,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:13,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:13,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:37:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:13,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:14,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:37:14,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:37:28,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:37:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:29,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 39 transitions. [2024-11-25 02:37:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-25 02:37:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:37:29,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:29,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:29,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:29,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:29,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:37:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:29,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:29,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:37:29,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:37:38,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:37:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-11-25 02:37:41,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-25 02:37:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:37:41,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:41,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:41,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:41,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:41,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:37:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:41,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:41,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:37:41,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:37:49,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-11-25 02:37:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-25 02:37:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:37:49,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:49,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:49,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:49,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:49,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:37:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:50,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:50,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:37:50,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:37:57,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:37:57,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 41 transitions. [2024-11-25 02:37:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-25 02:37:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:37:57,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:57,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:57,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:57,485 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:57,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:37:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:58,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:58,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:37:58,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:24,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:38:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:38:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:38:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:38:30,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:30,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:30,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:30,525 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:30,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:38:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:31,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:31,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:38:31,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:37,662 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:38:37,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:38:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:38:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:38:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:38:38,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:38,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:38,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:38,026 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:38,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:38:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:38,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:38,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:38:38,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:00,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 02:39:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:39:01,320 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:39:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:39:01,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:01,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:01,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:01,324 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:01,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:39:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:01,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:01,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:39:01,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:39:08,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:39:08,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:08,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:39:08,484 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:39:08,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:39:08,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:08,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:08,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:08,489 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:08,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:39:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:09,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:09,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:39:09,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:39:15,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:39:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:39:15,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:39:15,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:15,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:15,394 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:15,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:39:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:16,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:16,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:39:16,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:37,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:39:37,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:39:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:39:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:39:37,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:37,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:37,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:37,919 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:37,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:39:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:38,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:38,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:39:38,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:39:44,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 02:39:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:44,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:39:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:39:44,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:39:44,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:44,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:44,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:44,885 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:44,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:39:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:45,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:45,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:39:45,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:51,686 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:39:51,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 02:39:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:39:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:39:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:39:51,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:51,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:51,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:51,836 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:51,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:39:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:52,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:52,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:39:52,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:39:58,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 02:39:58,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:39:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:39:58,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:39:58,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:58,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:58,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:58,968 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:58,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:39:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:59,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:59,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:39:59,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:40:06,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 02:40:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:40:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:40:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:40:06,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:06,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:06,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:06,178 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:06,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:40:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:06,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:06,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:40:06,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:40:12,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 02:40:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:40:13,095 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:40:13,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:40:13,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:13,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:13,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:13,098 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:13,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 02:40:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:13,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:13,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:40:13,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:40:19,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:40:20,135 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:40:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:40:20,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:20,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:20,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:20,138 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:20,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 02:40:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:20,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:20,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:40:20,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:40:27,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 02:40:27,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:27,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:40:27,235 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:40:27,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:40:27,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:27,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:27,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:27,239 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:27,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 02:40:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:27,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:27,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:40:27,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:40:34,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 02:40:34,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:34,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:40:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:40:34,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:40:34,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:34,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:34,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:34,161 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:34,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 02:40:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:34,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:34,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:40:34,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:40:41,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:41,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:40:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:40:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:40:41,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:41,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:41,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:41,230 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:41,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 02:40:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:41,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:41,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:40:41,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:03,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 02:41:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:41:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:41:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:41:03,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:03,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:03,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:03,508 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:03,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 02:41:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:04,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:04,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:41:04,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:41:10,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 02:41:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:41:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:41:10,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:41:10,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:10,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:10,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:10,497 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:10,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 02:41:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:11,127 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:11,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:41:11,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:41:17,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 02:41:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:41:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:41:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:41:17,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:17,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:17,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:17,690 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:17,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 02:41:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:18,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:18,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:41:18,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:41:24,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 02:41:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:41:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:41:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:41:24,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:24,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:24,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:24,651 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:24,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 02:41:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:25,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:25,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:41:25,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:41:31,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:31,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:41:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:41:31,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:41:31,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:31,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:31,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:31,631 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:31,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 02:41:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:32,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:32,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:41:32,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:41:38,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:38,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:41:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:41:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:41:38,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:38,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:38,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:38,712 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:38,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 02:41:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:39,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:39,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:41:39,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:41:45,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 02:41:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:41:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:41:45,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:41:45,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:45,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:45,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:45,698 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:45,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 02:41:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:46,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:46,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:41:46,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:41:52,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 02:41:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:52,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:41:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:41:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:41:52,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:52,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:52,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:52,858 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:52,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 02:41:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:53,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:53,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:41:53,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:59,819 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:41:59,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:41:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:41:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:41:59,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:59,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:59,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:59,960 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:59,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 02:42:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:00,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:00,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:42:00,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:42:06,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 02:42:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:06,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:42:06,984 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:42:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:42:06,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:06,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:06,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:06,986 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:06,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 02:42:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:07,585 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:07,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:42:07,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:28,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 02:42:29,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:29,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:42:29,333 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:42:29,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:42:29,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:29,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:29,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:29,335 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:29,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 02:42:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:29,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:29,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:42:29,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:42:36,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 02:42:36,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:36,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:42:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:42:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:42:36,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:36,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:36,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:36,354 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:36,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 02:42:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:36,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:36,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:42:36,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:43,125 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:42:43,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 02:42:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:42:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:42:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:42:43,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:43,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:43,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:43,265 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:43,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 02:42:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:43,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:43,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:42:43,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:42:50,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 02:42:50,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:50,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:42:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:42:50,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:42:50,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:50,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:50,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:50,202 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:50,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 02:42:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:50,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:50,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:42:50,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:12,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 02:43:12,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:43:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:43:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:43:12,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:12,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:12,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:12,710 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:12,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 02:43:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:13,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:13,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:43:13,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:43:19,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 02:43:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:43:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:43:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:43:19,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:19,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:19,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:19,641 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:19,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 02:43:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:20,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:20,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:43:20,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:43:26,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 02:43:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:43:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:43:26,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:43:26,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:26,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:26,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:26,625 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:26,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 02:43:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:27,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:27,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:43:27,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:48,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 02:43:49,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:43:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:43:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:43:49,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:49,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:49,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:49,027 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:49,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 02:43:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:49,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:49,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:43:49,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:43:55,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 02:43:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:43:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:43:55,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:43:55,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:55,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:55,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:55,915 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:55,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 02:43:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:56,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:56,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:43:56,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:44:02,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 02:44:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:44:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:44:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:44:02,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:02,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:02,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:02,977 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:02,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 02:44:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:03,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:03,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:44:03,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:09,951 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:44:09,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 02:44:10,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:44:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:44:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:44:10,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:10,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:10,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:10,090 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:10,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 02:44:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:10,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:10,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:44:10,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:32,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-25 02:44:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:32,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:44:32,593 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:44:32,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:44:32,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:32,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:32,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:32,595 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:32,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 02:44:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:33,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:33,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:44:33,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:44:40,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-25 02:44:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:40,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:44:40,157 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:44:40,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:44:40,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:40,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:40,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:40,159 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:40,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 02:44:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:40,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:40,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:44:40,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:44:47,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-25 02:44:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:44:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:44:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:44:47,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:47,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:47,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:47,979 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:47,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 02:44:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:48,634 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:48,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:44:48,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:44:56,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-25 02:44:56,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:44:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:44:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:44:56,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:56,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:56,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:56,508 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:56,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 02:44:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:57,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:57,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:44:57,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:03,698 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:45:03,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 02:45:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:45:03,838 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:45:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:45:03,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:03,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:03,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:03,842 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:03,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 02:45:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:04,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:04,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:45:04,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:45:11,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-25 02:45:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:45:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:45:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:45:11,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:11,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:11,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:11,294 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:11,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 02:45:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:11,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:11,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:45:11,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:45:18,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-25 02:45:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:45:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:45:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:45:18,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:18,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:18,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:18,716 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:18,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 02:45:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:19,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:19,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:45:19,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:45:25,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-25 02:45:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:45:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:45:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:45:26,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:26,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:26,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:26,011 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:26,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 02:45:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:26,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:26,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:45:26,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:45:33,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 02:45:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:45:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:45:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:45:33,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:33,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:33,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:33,647 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:33,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 02:45:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:34,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:34,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:45:34,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:45:40,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 02:45:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:45:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:45:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:45:40,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:40,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:40,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:40,998 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:41,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 02:45:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:41,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:41,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:45:41,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:45:48,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 02:45:49,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:45:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:45:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:45:49,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:49,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:49,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:49,053 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:49,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 02:45:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:49,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:49,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:45:49,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:45:56,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-25 02:45:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:57,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:45:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:45:57,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:45:57,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:57,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:57,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:57,066 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:57,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 02:45:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:57,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:57,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:45:57,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:21,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-25 02:46:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:21,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:46:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:46:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:46:21,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:21,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:21,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:21,348 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:21,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 02:46:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:21,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:22,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:46:22,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:46:28,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-25 02:46:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:46:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:46:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:46:29,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:29,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:29,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:29,009 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:29,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 02:46:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:29,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:29,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:46:29,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:46:36,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-25 02:46:36,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:46:36,398 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:46:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:46:36,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:36,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:36,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:36,402 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:36,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 02:46:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:37,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:37,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:46:37,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:46:43,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-25 02:46:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:43,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:46:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:46:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:46:43,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:43,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:43,828 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:43,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 02:46:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:44,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:44,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:46:44,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:46:51,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-25 02:46:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:46:51,526 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:46:51,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:46:51,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:51,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:51,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:51,529 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:51,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 02:46:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:52,127 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:52,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:46:52,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:46:59,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-25 02:46:59,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:59,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:46:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:46:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:46:59,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:59,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:59,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:59,611 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:59,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 02:47:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:00,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:00,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:47:00,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:47:07,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:47:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:47:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:47:07,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:07,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:07,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:07,903 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:07,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 02:47:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:08,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:08,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:47:08,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:47:15,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-25 02:47:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:47:16,204 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:47:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:47:16,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:16,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:16,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:16,208 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:16,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 02:47:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:16,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:16,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:47:16,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:41,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-25 02:47:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:41,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:47:41,570 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:47:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:47:41,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:41,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:41,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:41,572 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:41,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 02:47:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:42,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:42,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:47:42,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:47:48,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:47:49,143 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:47:49,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:47:49,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:49,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:49,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:49,148 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:49,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 02:47:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:49,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:49,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:47:49,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:57,424 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:47:57,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-25 02:47:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:47:57,572 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:47:57,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:47:57,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:57,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:57,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:57,574 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:57,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 02:47:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:58,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:58,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:47:58,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:48:05,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:05,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:48:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:48:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:48:05,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:05,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:05,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:05,574 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:05,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 02:48:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:06,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:06,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:48:06,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:13,453 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:48:13,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:13,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:48:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:48:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:48:13,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:13,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:13,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:13,592 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:13,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-25 02:48:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:14,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:14,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:48:14,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:36,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-25 02:48:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:48:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:48:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:48:37,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:37,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:37,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:37,142 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:37,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-25 02:48:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:37,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:37,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:48:37,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:44,102 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:48:44,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-25 02:48:44,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:44,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:48:44,260 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:48:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:48:44,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:44,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:44,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:44,262 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:44,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-25 02:48:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:44,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:44,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:48:44,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:48:51,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-25 02:48:51,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:48:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:48:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:48:51,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:51,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:51,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:51,872 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:51,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-25 02:48:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:52,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:52,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:48:52,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:48:58,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-25 02:48:59,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:59,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:48:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:48:59,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:48:59,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:59,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:59,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:59,002 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:59,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-25 02:48:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:59,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:59,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:48:59,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:06,213 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:49:06,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-25 02:49:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:49:06,351 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:49:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:49:06,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:06,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:06,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:06,353 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:06,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-25 02:49:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:06,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:06,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:49:06,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:49:13,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:49:13,380 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:49:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:49:13,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:13,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:13,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:13,385 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:13,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-25 02:49:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:13,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:14,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:49:14,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:35,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:35,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:49:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:49:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:49:35,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:35,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:35,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:35,927 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:35,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-25 02:49:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:36,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:36,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:49:36,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:58,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-25 02:49:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:49:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:49:58,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:49:58,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:58,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:58,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:58,692 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:58,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-25 02:49:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:59,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:59,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:49:59,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:50:05,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-25 02:50:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:50:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:50:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:50:05,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:05,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:05,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:05,823 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:05,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-25 02:50:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:06,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:06,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:50:06,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:50:12,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-25 02:50:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:50:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:50:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:50:12,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:12,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:12,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:12,683 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:12,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-25 02:50:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:13,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:13,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:50:13,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:50:34,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-25 02:50:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:50:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:50:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:50:35,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:35,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:35,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:35,215 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:35,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-25 02:50:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:35,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:35,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:50:35,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:50:42,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-25 02:50:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:50:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:50:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:50:42,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:42,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:42,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:42,278 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:42,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-25 02:50:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:42,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:42,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:50:42,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:50:49,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-25 02:50:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:50:49,676 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:50:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:50:49,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:49,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:49,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:49,678 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:49,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-25 02:50:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:50,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:50,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:50:50,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:50:56,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-25 02:50:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:50:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:50:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:50:56,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:56,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:56,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:56,574 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:56,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-25 02:50:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:57,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:57,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:50:57,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:51:03,332 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:51:03,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-25 02:51:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:51:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:51:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:51:03,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:03,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:03,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:03,469 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:03,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-25 02:51:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:04,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:51:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:04,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:51:04,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:51:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:51:10,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-25 02:51:10,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:51:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:51:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:51:10,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:10,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:10,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:10,577 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:10,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-25 02:51:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:11,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:51:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:11,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:51:11,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:51:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:51:17,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-25 02:51:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:51:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:51:17,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:51:17,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:17,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:17,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:17,641 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:17,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-25 02:51:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:18,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:51:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:18,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:51:18,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:51:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:51:40,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-25 02:51:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:51:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:51:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:51:40,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:40,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:40,868 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:40,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-25 02:51:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:41,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:51:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:41,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:51:41,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:51:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:51:47,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-25 02:51:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:51:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:51:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:51:48,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:48,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:48,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:48,096 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:48,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-25 02:51:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:48,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:51:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:48,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:51:48,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:51:55,227 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:51:55,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-25 02:51:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:51:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:51:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:51:55,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:55,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:55,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:55,380 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:55,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-25 02:51:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:56,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:51:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:56,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:51:56,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:52:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-25 02:52:02,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-25 02:52:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:52:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 62 transitions. [2024-11-25 02:52:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2024-11-25 02:52:02,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 02:52:02,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:52:02,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:52:02,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:52:02,632 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:52:02,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfcb5ff1-7d3a-4691-8cf8-a68af6264adb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-25 02:52:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:52:03,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:52:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:52:03,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:52:03,251 INFO L279 TraceCheckSpWp]: Computing forward predicates...