./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/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_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:58:45,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:58:45,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:58:45,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:58:45,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:58:45,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:58:45,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:58:45,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:58:45,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:58:45,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:58:45,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:58:45,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:58:45,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:58:45,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:58:45,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:58:45,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:58:45,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:58:45,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:58:45,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:58:45,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:58:45,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:58:45,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:58:45,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:58:45,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:58:45,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:58:45,420 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:58:45,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:58:45,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:58:45,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:58:45,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:58:45,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:58:45,421 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:58:45,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:58:45,421 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_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e [2024-11-13 16:58:45,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:58:45,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:58:45,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:58:45,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:58:45,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:58:45,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i Unable to find full path for "g++" [2024-11-13 16:58:47,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:58:48,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:58:48,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-11-13 16:58:48,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/data/33089e08e/d7320f08ff634467b36c8e12573dd5c7/FLAG1696db7e0 [2024-11-13 16:58:48,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/data/33089e08e/d7320f08ff634467b36c8e12573dd5c7 [2024-11-13 16:58:48,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:58:48,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:58:48,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:58:48,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:58:48,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:58:48,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507efc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48, skipping insertion in model container [2024-11-13 16:58:48,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:58:48,329 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_693fa8de-f63e-418d-b50b-73331e9ab3ae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-13 16:58:48,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:48,388 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:58:48,401 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_693fa8de-f63e-418d-b50b-73331e9ab3ae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-13 16:58:48,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:48,441 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:58:48,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48 WrapperNode [2024-11-13 16:58:48,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:58:48,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:48,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:58:48,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:58:48,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,497 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-13 16:58:48,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:48,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:58:48,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:58:48,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:58:48,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:58:48,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:58:48,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:58:48,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:58:48,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:58:48,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:58:48,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:58:48,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:58:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:58:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:58:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:58:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:58:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:58:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:58:48,725 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:58:48,727 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:58:49,022 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 16:58:49,023 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:58:49,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:58:49,254 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:58:49,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:49 BoogieIcfgContainer [2024-11-13 16:58:49,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:58:49,256 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:58:49,256 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:58:49,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:58:49,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:58:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 16:58:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 16:58:49,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:58:49,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:49,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:58:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:49,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:58:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:49,776 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:58:49,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:58:49 ImpRootNode [2024-11-13 16:58:49,813 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:58:49,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:58:49,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:58:49,814 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:58:49,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:49" (3/4) ... [2024-11-13 16:58:49,817 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:58:49,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:58:49,819 INFO L158 Benchmark]: Toolchain (without parser) took 1683.05ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 87.1MB in the end (delta: 6.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-13 16:58:49,820 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:49,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.68ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 80.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:58:49,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.18ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:58:49,821 INFO L158 Benchmark]: Boogie Preprocessor took 30.40ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:49,821 INFO L158 Benchmark]: RCFGBuilder took 725.19ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 52.7MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:58:49,822 INFO L158 Benchmark]: CodeCheck took 557.08ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 87.1MB in the end (delta: -34.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:49,822 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 87.1MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:49,825 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 - 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 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 38. 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() [L81] COND TRUE 1 [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=357, 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=357, 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=357, 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=357, 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=357, var_1_7=0, 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=357, var_1_7=0, 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=357, var_1_7=0, 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=357, var_1_7=0, 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=101, var_1_1=357, var_1_3=357, var_1_7=0, 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=101, var_1_1=357, var_1_3=357, var_1_7=0, var_1_8=100, var_1_9=64] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.68ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 80.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.18ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.40ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 725.19ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 52.7MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 557.08ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 87.1MB in the end (delta: -34.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 117.4MB. Free memory was 87.1MB in the beginning and 87.1MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:58:49,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/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_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:58:52,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:58:53,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:58:53,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:58:53,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:58:53,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:58:53,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:58:53,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:58:53,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:58:53,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:58:53,118 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:58:53,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:58:53,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:58:53,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:58:53,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:58:53,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:58:53,119 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:58:53,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:58:53,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:58:53,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:58:53,119 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:58:53,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:58:53,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:58:53,120 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:58:53,123 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:58:53,124 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:58:53,124 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:58:53,124 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:58:53,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:58:53,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:58:53,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:58:53,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:58:53,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:58:53,124 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:58:53,125 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:58:53,125 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:58:53,125 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_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e [2024-11-13 16:58:53,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:58:53,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:58:53,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:58:53,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:58:53,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:58:53,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i Unable to find full path for "g++" [2024-11-13 16:58:55,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:58:56,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:58:56,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-11-13 16:58:56,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/data/35924d296/e124be5adfaa464ab0b6de89d6ee2fc6/FLAG44090459b [2024-11-13 16:58:56,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/data/35924d296/e124be5adfaa464ab0b6de89d6ee2fc6 [2024-11-13 16:58:56,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:58:56,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:58:56,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:58:56,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:58:56,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:58:56,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cedf4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56, skipping insertion in model container [2024-11-13 16:58:56,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:58:56,366 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_693fa8de-f63e-418d-b50b-73331e9ab3ae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-13 16:58:56,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:56,464 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:58:56,482 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_693fa8de-f63e-418d-b50b-73331e9ab3ae/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-13 16:58:56,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:56,548 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:58:56,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56 WrapperNode [2024-11-13 16:58:56,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:58:56,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:56,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:58:56,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:58:56,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,617 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-11-13 16:58:56,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:56,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:58:56,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:58:56,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:58:56,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:58:56,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:58:56,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:58:56,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:58:56,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:56" (1/1) ... [2024-11-13 16:58:56,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:58:56,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:58:56,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:58:56,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:58:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:58:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:58:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:58:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:58:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:58:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:58:56,893 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:58:56,895 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:58:57,226 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 16:58:57,226 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:58:57,380 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:58:57,380 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:58:57,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:57 BoogieIcfgContainer [2024-11-13 16:58:57,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:58:57,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:58:57,382 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:58:57,395 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:58:57,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:57" (1/1) ... [2024-11-13 16:58:57,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:58:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 16:58:57,492 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 16:58:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:58:57,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:57,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:58:57,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:58:57,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:58:57,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:58:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:58,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:58:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:58,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 16:58:58,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 16:59:12,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:59:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:13,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 38 transitions. [2024-11-13 16:59:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 16:59:13,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 16:59:13,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:13,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:13,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:13,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:13,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:59:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:14,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:14,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:59:14,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 16:59:22,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:59:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:25,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 40 transitions. [2024-11-13 16:59:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 16:59:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 16:59:25,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:25,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:25,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:25,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:25,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:59:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:26,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:26,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:59:26,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 16:59:33,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:59:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 40 transitions. [2024-11-13 16:59:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 16:59:33,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 16:59:33,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:33,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:33,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:33,844 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:33,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:59:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:34,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:34,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:59:34,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:41,685 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 16:59:41,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:59:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 40 transitions. [2024-11-13 16:59:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 16:59:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 16:59:41,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:41,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:41,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:41,711 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:41,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:59:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:42,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:42,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 16:59:42,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 17:00:08,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 17:00:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:00:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:00:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:00:23,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:23,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:23,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:23,452 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:23,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 17:00:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:24,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:24,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 17:00:24,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:47,803 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 17:00:47,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 17:00:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:00:48,158 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:00:48,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:00:48,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:48,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:48,161 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:48,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 17:00:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:48,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:48,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:00:48,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:00:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:00:55,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 17:00:56,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:00:56,137 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:00:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:00:56,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:56,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:00:56,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:00:56,141 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:00:56,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 17:00:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:56,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:00:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:56,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:00:56,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:01:04,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 17:01:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:01:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:01:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:01:04,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:04,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:04,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:04,684 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:04,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 17:01:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:05,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:05,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:01:05,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:01:12,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 17:01:12,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:01:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:01:12,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:01:12,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:12,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:12,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:12,871 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:12,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 17:01:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:13,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:13,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:01:13,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:01:20,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 17:01:21,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:21,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:01:21,159 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:01:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:01:21,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:21,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:21,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:21,165 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:21,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 17:01:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:21,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:21,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:01:21,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:29,089 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:01:29,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 17:01:29,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:01:29,279 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:01:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:01:29,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:29,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:29,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:29,288 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:29,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 17:01:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:29,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:29,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:01:29,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:37,248 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:01:37,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 17:01:37,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:01:37,449 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:01:37,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:01:37,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:37,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:37,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:37,453 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:37,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 17:01:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:38,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:38,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:01:38,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:01:45,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 17:01:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:01:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:01:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:01:45,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:45,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:45,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:45,271 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:45,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 17:01:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:45,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:45,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:01:45,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:01:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:01:53,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 17:01:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:01:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:01:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:01:53,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:53,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:01:53,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:01:53,819 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:01:53,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 17:01:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:54,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:01:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:54,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:01:54,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:02:01,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 17:02:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:02:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:02:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:02:01,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:01,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:01,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:01,806 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:01,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 17:02:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:02,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:02,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:02:02,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:02:09,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 17:02:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:02:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:02:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:02:09,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:09,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:09,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:09,531 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:09,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 17:02:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:10,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:10,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:02:10,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:02:16,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 17:02:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:02:16,805 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:02:16,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:02:16,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:16,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:16,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:16,811 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:16,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 17:02:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:17,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:17,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:02:17,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:02:24,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 17:02:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:02:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:02:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:02:25,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:25,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:25,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:25,109 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:25,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 17:02:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:25,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:25,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:02:25,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:02:34,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 17:02:34,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:34,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:02:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:02:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:02:34,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:34,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:34,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:34,391 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:34,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 17:02:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:35,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:35,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:02:35,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:02:42,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 17:02:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:02:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:02:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:02:42,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:42,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:42,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:42,540 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:42,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 17:02:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:43,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:43,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:02:43,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:02:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:02:51,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 17:02:51,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:02:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:02:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:02:51,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:51,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:02:51,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:02:51,498 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:02:51,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 17:02:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:52,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:02:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:52,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 17:02:52,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:03:22,226 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 17:03:22,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 17:03:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:03:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:03:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:03:22,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:22,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:22,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:03:22,414 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:03:22,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 17:03:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:23,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:03:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:23,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:03:23,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:03:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:03:33,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 17:03:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:03:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:03:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:03:33,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:33,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:33,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:03:33,231 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:03:33,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 17:03:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:34,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:03:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:34,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:03:34,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:03:43,069 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:03:43,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 17:03:43,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:03:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:03:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:03:43,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:43,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:43,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:03:43,230 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:03:43,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 17:03:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:44,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:03:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:44,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:03:44,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:03:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:03:53,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 17:03:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:03:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:03:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:03:53,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:53,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:53,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:03:53,641 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:03:53,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 17:03:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:54,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:03:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:54,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:03:54,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:04:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:04:02,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 17:04:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:04:02,532 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:04:02,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:04:02,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:02,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:04:02,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:04:02,537 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:04:02,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 17:04:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:03,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:04:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:03,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:04:03,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:04:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:04:11,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 17:04:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:12,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:04:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:04:12,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:04:12,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:12,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:04:12,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:04:12,074 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:04:12,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 17:04:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:12,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:04:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:12,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:04:12,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:04:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:04:20,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 17:04:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:21,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:04:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:04:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:04:21,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:21,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:04:21,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:04:21,113 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:04:21,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 17:04:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:22,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:04:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:22,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:04:22,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:04:31,859 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:04:31,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 17:04:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:04:32,142 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:04:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:04:32,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:32,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:04:32,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:04:32,145 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:04:32,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 17:04:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:33,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:04:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:33,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 17:04:33,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:05:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 17:05:04,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-13 17:05:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:05:04,168 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:05:04,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:05:04,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:04,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:05:04,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:05:04,171 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:05:04,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 17:05:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:05,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:05:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:05,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:05:05,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:05:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:05:14,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 17:05:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:05:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:05:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:05:14,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:14,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:05:14,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:05:14,204 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:05:14,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 17:05:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:15,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:05:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:15,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:05:15,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:05:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:05:24,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 17:05:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:05:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:05:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:05:24,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:24,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:05:24,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:05:24,515 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:05:24,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 17:05:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:25,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:05:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:25,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:05:25,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:05:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:05:34,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 17:05:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:05:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:05:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:05:34,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:34,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:05:34,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:05:34,571 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:05:34,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 17:05:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:35,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:05:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:35,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:05:35,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:05:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:05:43,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-13 17:05:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:05:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:05:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:05:43,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:43,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:05:43,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:05:43,990 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:05:43,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 17:05:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:44,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:05:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:44,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:05:44,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:05:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:05:53,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-13 17:05:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:05:53,756 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:05:53,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:05:53,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:53,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:05:53,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:05:53,759 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:05:53,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 17:05:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:54,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:05:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:54,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:05:54,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:06:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:06:03,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 17:06:03,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:03,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:06:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:06:03,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:06:03,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:03,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:06:03,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:06:03,470 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:06:03,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 17:06:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:04,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:06:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:04,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:06:04,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:06:13,074 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:06:13,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 17:06:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:13,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:06:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:06:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:06:13,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:13,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:06:13,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:06:13,382 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:06:13,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 17:06:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:14,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:06:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:14,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:06:14,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:06:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:06:24,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 17:06:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:06:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:06:24,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:06:24,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:24,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:06:24,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:06:24,298 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:06:24,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 17:06:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:25,046 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:06:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:25,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:06:25,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:06:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:06:34,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 17:06:34,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:06:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:06:34,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:06:34,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:34,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:06:34,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:06:34,979 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:06:34,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 17:06:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:36,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:06:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:36,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:06:36,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:06:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:06:44,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 17:06:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:06:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:06:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:06:44,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:44,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:06:44,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:06:44,681 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:06:44,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 17:06:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:45,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:06:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:45,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:06:45,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:06:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:06:54,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 17:06:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:06:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:06:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:06:54,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:54,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:06:54,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:06:54,520 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:06:54,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 17:06:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:55,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:06:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:55,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:06:55,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:07:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:07:05,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 17:07:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:07:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:07:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:07:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:07:05,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:07:05,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:07:05,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:07:05,550 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:07:05,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 17:07:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:06,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:07:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:06,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:07:06,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:07:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:07:15,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-13 17:07:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:07:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:07:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:07:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:07:15,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:07:15,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:07:15,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:07:15,657 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:07:15,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 17:07:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:16,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:07:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:16,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:07:16,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:07:24,456 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:07:24,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 17:07:24,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:07:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:07:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:07:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:07:24,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:07:24,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:07:24,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:07:24,710 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:07:24,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 17:07:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:25,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:07:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:25,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:07:25,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:07:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:07:35,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 17:07:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:07:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:07:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:07:36,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:07:36,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:07:36,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:07:36,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:07:36,155 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:07:36,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 17:07:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:37,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:07:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:37,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:07:37,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:07:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:07:46,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 17:07:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:07:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:07:47,010 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:07:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:07:47,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:07:47,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:07:47,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:07:47,013 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:07:47,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 17:07:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:47,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:07:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:47,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:07:47,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:07:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:07:57,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-13 17:07:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:07:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:07:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:07:57,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:07:57,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:07:57,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:07:57,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:07:57,444 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:07:57,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 17:07:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:58,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:07:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:58,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:07:58,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:08:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:08:07,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-13 17:08:07,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:08:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:08:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:08:07,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:07,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:08:07,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:08:07,541 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:08:07,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 17:08:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:08,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:08:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:08,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:08:08,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:08:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:08:17,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 17:08:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:08:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:08:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:08:17,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:17,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:08:17,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:08:17,573 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:08:17,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 17:08:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:18,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:08:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:18,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:08:18,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:08:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:08:26,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 17:08:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:08:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:08:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:08:26,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:26,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:08:26,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:08:26,998 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:08:26,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 17:08:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:28,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:08:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:28,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:08:28,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:08:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:08:37,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-13 17:08:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:08:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:08:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:08:37,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:37,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:08:37,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:08:37,403 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:08:37,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 17:08:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:38,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:08:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:38,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:08:38,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:08:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:08:46,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 17:08:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:08:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:08:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:08:47,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:47,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:08:47,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:08:47,110 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:08:47,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 17:08:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:47,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:08:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:48,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:08:48,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:08:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:08:57,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 17:08:57,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:08:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:08:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:08:57,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:57,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:08:57,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:08:57,994 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:08:57,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 17:08:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:59,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:08:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:59,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:08:59,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:09:07,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-13 17:09:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:09:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:09:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:09:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:09:08,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:09:08,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:09:08,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:09:08,204 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:09:08,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 17:09:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:09,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:09,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:09:09,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:09:17,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 17:09:17,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:09:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:09:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:09:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:09:17,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:09:17,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:09:17,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:09:17,320 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:09:17,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 17:09:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:18,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:18,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:09:18,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:09:27,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 17:09:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:09:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:09:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:09:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:09:27,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:09:27,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:09:27,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:09:27,274 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:09:27,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 17:09:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:28,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:28,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:09:28,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:36,263 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:09:36,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 17:09:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:09:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:09:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:09:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:09:36,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:09:36,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:09:36,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:09:36,429 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:09:36,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 17:09:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:37,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:37,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 17:09:37,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 17:10:04,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-13 17:10:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:04,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:10:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:10:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:10:04,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:04,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:04,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:04,799 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:04,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 17:10:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:05,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:05,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:10:05,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:10:13,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-13 17:10:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:10:13,622 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:10:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:10:13,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:13,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:13,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:13,624 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:13,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 17:10:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:14,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:14,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:10:14,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:10:22,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-13 17:10:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:23,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:10:23,139 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:10:23,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:10:23,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:23,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:23,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:23,142 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:23,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 17:10:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:23,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:23,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:10:23,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:10:32,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-13 17:10:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:10:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:10:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:10:32,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:32,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:32,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:32,380 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:32,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 17:10:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:33,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:33,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:10:33,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:10:41,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-13 17:10:41,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:10:41,487 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:10:41,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:10:41,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:41,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:41,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:41,491 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:41,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 17:10:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:42,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:42,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:10:42,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:10:50,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-13 17:10:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:10:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:10:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:10:50,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:50,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:50,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:50,760 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:50,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 17:10:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:51,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:51,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:10:51,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:10:58,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-13 17:10:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:10:58,574 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:10:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:10:58,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:58,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:58,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:58,576 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:58,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 17:10:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:59,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:59,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:10:59,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:11:06,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-13 17:11:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:06,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:11:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:11:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:11:06,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:06,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:06,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:06,417 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:06,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 17:11:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:07,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:07,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:11:07,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:11:14,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-13 17:11:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:11:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:11:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:11:14,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:14,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:14,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:14,238 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:14,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 17:11:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:14,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:14,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 17:11:14,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 17:11:39,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-13 17:11:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:11:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:11:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:11:39,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:39,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:39,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:39,718 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:39,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 17:11:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:40,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:40,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:11:40,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:11:47,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-13 17:11:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:11:47,421 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:11:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:11:47,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:47,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:47,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:47,424 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:47,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 17:11:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:48,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:48,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:11:48,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:11:55,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-13 17:11:55,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:55,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:11:55,423 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:11:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:11:55,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:55,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:55,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:55,425 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:55,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 17:11:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:56,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:56,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:11:56,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:12:02,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-13 17:12:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:02,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:12:02,707 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:12:02,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:12:02,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:02,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:02,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:02,709 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:02,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 17:12:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:03,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:03,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:12:03,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:12:10,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-13 17:12:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:12:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:12:10,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:12:10,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:10,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:10,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:10,564 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:10,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 17:12:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:11,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:11,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:12:11,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:12:17,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-13 17:12:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:18,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:12:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:12:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:12:18,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:18,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:18,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:18,037 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:18,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 17:12:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:18,696 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:18,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:12:18,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:12:25,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-13 17:12:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:12:25,287 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:12:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:12:25,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:25,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:25,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:25,289 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:25,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 17:12:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:25,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:25,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:12:25,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:12:32,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-13 17:12:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:12:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:12:32,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:12:32,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:32,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:32,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:32,931 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:32,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 17:12:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:33,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:33,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:12:33,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:12:39,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-13 17:12:40,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:40,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:12:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:12:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:12:40,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:40,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:40,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:40,063 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:40,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 17:12:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:40,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:40,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:12:40,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:12:47,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-13 17:12:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:12:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:12:47,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:12:47,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:47,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:47,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:47,390 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:47,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 17:12:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:47,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:48,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:12:48,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:55,968 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:12:55,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-13 17:12:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:12:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:12:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:12:56,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:56,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:56,125 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:56,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 17:12:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:56,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:57,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:12:57,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:13:05,149 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:13:05,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-13 17:13:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:13:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:13:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:13:05,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:13:05,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:13:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:13:05,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:13:05,379 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:13:05,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 17:13:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:13:06,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:13:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:13:06,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 17:13:06,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:13:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 17:13:34,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-13 17:13:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:13:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:13:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:13:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:13:34,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:13:34,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:13:34,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:13:34,914 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:13:34,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 17:13:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:13:35,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:13:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:13:35,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:13:35,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:13:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 17:13:44,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-13 17:13:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:13:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-13 17:13:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 17:13:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 17:13:45,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:13:45,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:13:45,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:13:45,607 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:13:45,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_693fa8de-f63e-418d-b50b-73331e9ab3ae/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 17:13:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:13:46,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:13:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:13:46,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 17:13:46,557 INFO L278 TraceCheckSpWp]: Computing forward predicates...