./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/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 e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:23,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:23,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:17:23,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:23,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:23,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:23,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:23,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:23,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:23,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:23,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:23,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:23,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:23,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:23,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:23,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:23,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:23,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:23,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:23,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:23,273 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:23,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:23,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:23,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:23,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:23,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:23,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:23,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:23,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:23,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:23,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:23,276 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:23,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:23,276 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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/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 -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2024-11-13 20:17:23,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:23,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:23,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:23,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:23,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:23,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i Unable to find full path for "g++" [2024-11-13 20:17:25,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:25,844 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:25,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-13 20:17:25,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/data/05a58078b/9e90ef7cebb64a66ba51c90778e96f2f/FLAG369e9882a [2024-11-13 20:17:25,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/data/05a58078b/9e90ef7cebb64a66ba51c90778e96f2f [2024-11-13 20:17:25,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:25,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:25,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:25,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:25,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:25,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:25,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35267f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25, skipping insertion in model container [2024-11-13 20:17:25,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:25,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:26,078 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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2024-11-13 20:17:26,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:26,134 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:26,145 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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2024-11-13 20:17:26,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:26,182 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:26,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26 WrapperNode [2024-11-13 20:17:26,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:26,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:26,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:26,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:26,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,231 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-13 20:17:26,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:26,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:26,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:26,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:26,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:26,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:26,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:26,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:26,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:26,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:26,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:26,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:17:26,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:26,433 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:26,436 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:26,702 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:26,702 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:26,825 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:26,826 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:17:26,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:26 BoogieIcfgContainer [2024-11-13 20:17:26,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:26,828 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:26,828 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:26,837 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:26,837 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:26" (1/1) ... [2024-11-13 20:17:26,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:26,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 20:17:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 20:17:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:17:26,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:26,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:27,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:27,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:27,431 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:27,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:27 ImpRootNode [2024-11-13 20:17:27,514 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:27,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:27,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:27,518 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:27,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:26" (3/4) ... [2024-11-13 20:17:27,521 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:27,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:27,525 INFO L158 Benchmark]: Toolchain (without parser) took 1639.86ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 114.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-13 20:17:27,525 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:27,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.43ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 106.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:27,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.51ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:27,527 INFO L158 Benchmark]: Boogie Preprocessor took 34.57ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.7MB in the end (delta: 963.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:27,529 INFO L158 Benchmark]: RCFGBuilder took 556.78ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 86.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:27,529 INFO L158 Benchmark]: CodeCheck took 686.13ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 114.6MB in the end (delta: -27.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:27,529 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 114.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:27,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned short int var_1_3 = 64; [L24] signed long int var_1_4 = 5; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 0; [L29] float var_1_9 = 256.75; [L30] float var_1_10 = 99.2; [L71] isInitial = 1 [L72] FCALL initially() [L73] COND TRUE 1 [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L46] var_1_3 = __VERIFIER_nondet_ushort() [L47] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L48] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L49] var_1_4 = __VERIFIER_nondet_long() [L50] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L51] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L52] var_1_5 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L54] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L55] var_1_6 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L57] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L58] var_1_7 = __VERIFIER_nondet_uchar() [L59] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_8=0, var_1_9=1027/4] [L60] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=496/5, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=1027/4] [L75] RET updateVariables() [L76] CALL step() [L34] var_1_8 = var_1_3 [L35] var_1_9 = var_1_10 [L36] signed long int stepLocal_0 = 10 - var_1_4; [L37] COND FALSE !((var_1_8 + var_1_8) > stepLocal_0) [L40] COND TRUE \read(var_1_5) [L41] var_1_1 = (var_1_6 || var_1_7) [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return ((((var_1_8 + var_1_8) > (10 - var_1_4)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_5 ? (var_1_1 == ((unsigned char) (var_1_6 || var_1_7))) : 1)) && (var_1_8 == ((unsigned long int) var_1_3))) && (var_1_9 == ((float) var_1_10)) ; [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_1=0, var_1_3=0, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_1=0, var_1_3=0, var_1_4=10, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.43ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 106.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.51ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.57ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.7MB in the end (delta: 963.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 556.78ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 86.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 686.13ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 114.6MB in the end (delta: -27.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 114.6MB in the end (delta: 21.0kB). 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 20:17:27,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/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 e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:30,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:30,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:17:30,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:30,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:30,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:30,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:30,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:30,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:30,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:30,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:30,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:30,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:30,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:30,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:30,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:30,614 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:30,614 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:30,615 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:30,615 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:30,615 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:30,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:30,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:30,615 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:30,615 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:30,616 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:30,616 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:30,616 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:30,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:30,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:30,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:30,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:30,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:30,617 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:30,617 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:30,617 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:30,617 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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/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 -> e560e39513eb26595349bb5183c466d93aeda0a374e3c004705ee1f38a5b90f4 [2024-11-13 20:17:31,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:31,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:31,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:31,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:31,024 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:31,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i Unable to find full path for "g++" [2024-11-13 20:17:33,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:33,620 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:33,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i [2024-11-13 20:17:33,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/data/db57444ff/01f3ee4d412e47b68a3a9cf0081e414b/FLAG7391be22a [2024-11-13 20:17:33,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/data/db57444ff/01f3ee4d412e47b68a3a9cf0081e414b [2024-11-13 20:17:33,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:33,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:33,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:33,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:33,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:33,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:33" (1/1) ... [2024-11-13 20:17:33,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6216e868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:33, skipping insertion in model container [2024-11-13 20:17:33,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:33" (1/1) ... [2024-11-13 20:17:33,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:33,877 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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2024-11-13 20:17:33,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:33,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:33,961 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_e1c51eeb-dc8c-4652-8695-89d266f02cb6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-87.i[915,928] [2024-11-13 20:17:33,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:34,011 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:34,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34 WrapperNode [2024-11-13 20:17:34,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:34,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:34,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:34,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:34,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,067 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-11-13 20:17:34,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:34,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:34,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:34,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:34,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:34,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:34,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:34,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:34,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:34,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:34,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:34,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:17:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:17:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:17:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:34,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:34,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:34,579 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:34,579 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:34,688 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:34,688 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:17:34,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:34 BoogieIcfgContainer [2024-11-13 20:17:34,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:34,689 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:34,689 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:34,701 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:34,701 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:34" (1/1) ... [2024-11-13 20:17:34,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 20:17:34,773 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 20:17:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:17:34,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:34,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:34,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:34,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:34,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:35,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:35,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:17:35,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:42,127 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:17:42,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:17:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:17:42,417 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:17:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:17:42,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:42,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:42,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:42,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:42,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:17:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:42,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:42,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:17:42,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:17:46,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:17:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:46,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:17:46,657 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:17:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:17:46,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:46,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:46,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:46,662 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:46,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:17:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:47,076 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:47,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:17:47,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:17:49,326 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:17:49,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:17:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:17:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:17:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:17:49,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:49,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:49,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:49,346 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:49,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:17:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:49,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:49,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:17:49,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:52,283 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:17:52,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 20:17:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:52,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:17:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:17:52,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:17:52,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:52,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:52,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:52,298 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:52,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:17:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:52,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:52,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:17:52,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:17:54,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 20:17:54,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:17:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:17:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:17:54,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:54,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:54,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:54,897 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:54,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:17:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:55,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:55,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:17:55,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:17:57,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 20:17:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:57,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:17:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:17:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:17:57,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:57,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:57,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:57,410 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:57,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:17:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:57,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:57,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:17:57,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:17:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:17:59,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 20:17:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:17:59,680 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:17:59,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:17:59,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:59,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:59,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:59,683 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:59,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:17:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:59,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:17:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:17:59,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:17:59,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:01,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:01,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:01,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:01,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:01,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:01,808 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:01,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:18:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:02,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:02,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:02,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:04,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 20:18:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:04,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:04,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:04,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:04,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:04,040 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:04,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:18:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:04,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:04,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:04,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:06,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 20:18:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:06,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:06,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:06,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:06,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:06,524 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:06,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 20:18:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:06,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:06,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:06,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:08,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:08,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:08,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:08,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:08,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:08,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:08,787 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:08,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 20:18:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:09,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:09,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:11,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 20:18:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:11,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:11,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:11,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:11,096 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:11,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 20:18:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:11,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:11,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:11,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:13,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 20:18:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:13,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:13,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:13,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:13,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:13,224 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:13,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 20:18:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:13,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:13,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:13,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:15,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:15,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:15,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:15,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:15,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:15,322 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:15,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 20:18:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:15,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:15,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:15,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:17,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 20:18:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:17,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:17,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:17,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:17,331 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:17,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 20:18:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:17,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:17,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:17,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:19,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:19,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:19,812 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:19,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:19,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:19,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:19,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:19,816 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:19,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 20:18:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:20,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:20,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:20,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:21,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 20:18:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:21,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:21,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:21,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:21,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:21,864 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:21,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 20:18:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:22,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:22,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:22,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:23,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 20:18:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:23,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:23,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:23,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:23,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:23,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:23,867 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:23,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 20:18:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:24,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:24,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:24,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:25,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 20:18:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:25,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:25,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:25,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:25,906 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:25,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 20:18:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:26,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:26,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:26,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:27,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:27,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 20:18:27,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:27,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:27,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:27,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:27,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:27,949 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:27,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 20:18:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:28,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:28,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:28,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:30,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 20:18:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:30,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:30,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:30,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:30,134 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:30,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 20:18:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:30,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:30,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:30,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:32,171 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:32,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 20:18:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:32,178 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:32,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:32,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:32,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:32,182 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:32,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 20:18:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:32,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:32,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:32,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:34,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 20:18:34,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:34,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:34,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:34,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:34,256 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:34,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 20:18:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:34,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:34,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:34,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:36,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 20:18:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:36,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:36,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:36,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:36,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:36,368 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:36,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 20:18:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:36,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:36,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:36,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:38,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 20:18:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:38,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:38,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:38,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:38,288 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:38,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 20:18:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:38,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:38,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:38,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:40,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 20:18:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:40,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:40,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:40,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:40,591 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:40,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 20:18:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:40,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:40,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:40,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:42,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 20:18:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:42,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:42,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:42,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:42,527 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:42,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 20:18:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:42,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:42,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:42,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:44,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 20:18:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:44,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:44,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:44,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:44,456 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:44,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 20:18:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:44,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:44,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:44,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:46,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:46,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:46,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:46,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:46,404 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:46,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 20:18:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:46,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:46,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:46,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:48,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 20:18:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:48,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:48,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:48,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:48,331 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:48,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 20:18:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:48,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:48,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:48,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:50,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 20:18:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:50,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:50,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:50,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:50,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:50,414 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:50,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 20:18:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:50,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:50,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:50,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:52,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 20:18:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:52,336 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:52,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:52,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:52,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:52,339 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:52,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 20:18:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:52,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:52,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:52,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:54,399 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:54,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-13 20:18:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:54,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:54,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:54,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:54,410 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:54,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 20:18:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:54,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:54,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:54,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:56,428 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:56,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 20:18:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:56,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:56,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:56,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:56,438 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:56,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 20:18:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:56,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:56,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:56,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:18:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:18:58,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 20:18:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:18:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:18:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:18:58,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:58,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:58,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:58,381 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:58,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 20:18:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:58,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:18:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:58,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:18:58,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:00,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 20:19:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:00,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:00,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:00,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:00,451 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:00,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 20:19:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:00,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:00,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:00,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:02,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 20:19:02,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:02,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:02,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:02,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:02,500 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:02,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 20:19:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:02,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:02,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:02,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:04,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 20:19:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:04,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:04,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:04,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:04,580 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:04,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 20:19:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:04,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:04,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:04,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:06,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 20:19:06,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:06,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:06,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:06,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:06,629 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:06,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 20:19:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:06,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:06,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:06,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:08,702 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:08,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 20:19:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:08,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:08,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:08,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:08,710 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:08,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 20:19:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:08,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:08,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:08,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:10,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 20:19:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:10,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:10,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:10,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:10,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:10,865 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:10,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 20:19:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:11,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:11,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:11,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:12,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-13 20:19:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:12,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:12,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:12,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:12,958 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:12,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 20:19:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:13,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:13,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:13,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:14,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 20:19:14,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:14,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:14,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:14,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:14,975 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:14,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 20:19:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:15,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:15,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:15,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:16,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 20:19:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:16,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:16,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:16,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:16,986 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:16,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 20:19:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:17,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:17,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:17,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:18,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 20:19:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:18,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:18,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:18,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:18,928 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:18,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 20:19:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:19,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:19,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:19,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:21,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-13 20:19:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:21,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:21,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:21,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:21,248 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:21,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 20:19:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:21,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:21,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:21,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:23,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 20:19:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:23,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:23,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:23,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:23,384 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:23,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 20:19:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:23,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:23,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:23,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:25,377 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:25,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 20:19:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:25,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:25,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:25,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:25,388 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:25,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 20:19:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:25,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:25,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:25,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:27,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 20:19:27,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:27,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:27,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:27,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:27,383 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:27,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 20:19:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:27,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:27,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:27,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:29,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-13 20:19:29,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:29,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:29,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:29,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:29,461 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:29,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 20:19:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:29,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:29,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:29,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:32,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 20:19:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:32,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:32,013 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:32,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:32,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:32,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:32,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:32,015 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:32,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 20:19:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:32,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:32,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:32,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:34,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 20:19:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:34,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:34,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:34,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:34,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:34,143 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:34,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 20:19:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:34,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:34,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:34,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:36,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 20:19:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:36,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:36,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:36,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:36,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:36,209 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:36,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 20:19:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:36,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:36,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:36,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:38,157 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:38,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 20:19:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:38,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:38,162 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:38,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:38,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:38,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:38,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:38,164 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:38,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 20:19:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:38,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:38,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:38,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:40,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 20:19:40,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:40,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:40,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:40,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:40,332 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:40,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 20:19:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:40,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:40,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:40,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:42,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-13 20:19:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:42,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:42,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:42,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:42,338 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:42,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 20:19:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:42,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:42,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:42,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:44,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 20:19:44,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:44,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:44,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:44,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:44,829 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:44,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 20:19:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:45,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:45,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:45,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:46,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-13 20:19:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:46,911 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:46,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:46,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:46,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:46,913 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:46,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 20:19:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:47,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:47,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:47,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:48,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 20:19:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:48,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:48,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:48,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:48,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:48,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:48,919 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:48,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 20:19:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:49,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:49,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:49,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:51,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-13 20:19:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:51,080 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:51,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:51,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:51,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:51,084 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:51,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 20:19:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:51,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:51,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:51,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:53,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-13 20:19:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:53,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:53,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:53,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:53,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:53,064 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:53,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 20:19:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:53,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:53,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:53,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:55,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-13 20:19:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:55,067 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:55,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:55,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:55,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:55,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:55,069 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:55,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 20:19:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:55,325 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:55,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:55,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:57,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 20:19:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:57,109 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:57,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:57,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:57,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:57,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:57,112 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:57,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 20:19:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:57,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:57,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:57,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:19:59,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-13 20:19:59,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:59,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:19:59,103 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:19:59,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:19:59,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:59,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:19:59,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:19:59,105 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:19:59,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 20:19:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:59,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:19:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:59,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:19:59,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:01,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:01,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:01,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:01,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:01,255 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:01,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 20:20:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:01,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:01,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:01,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:03,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-13 20:20:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:03,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:03,244 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:03,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:03,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:03,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:03,246 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:03,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 20:20:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:03,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:03,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:03,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:05,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:05,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:05,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:05,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:05,316 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:05,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 20:20:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:05,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:05,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:05,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:07,310 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:07,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:07,317 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:07,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:07,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:07,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:07,321 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:07,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 20:20:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:07,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:07,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:07,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:09,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-13 20:20:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:09,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:09,291 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:09,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:09,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:09,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:09,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:09,294 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:09,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 20:20:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:09,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:09,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:09,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:11,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-13 20:20:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:11,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:11,418 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:11,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:11,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:11,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:11,422 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:11,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 20:20:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:11,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:11,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:11,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:13,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-13 20:20:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:13,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:13,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:13,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:13,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:13,356 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:13,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 20:20:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:13,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:13,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:13,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:15,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-13 20:20:15,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:15,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:15,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:15,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:15,301 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:15,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 20:20:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:15,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:15,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:15,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:17,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-13 20:20:17,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:17,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:17,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:17,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:17,357 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:17,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 20:20:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:17,606 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:17,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:17,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:19,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-13 20:20:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:19,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:19,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:19,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:19,306 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:19,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 20:20:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:19,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:19,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:19,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:21,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-13 20:20:21,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:21,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:21,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:21,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:21,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:21,350 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:21,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 20:20:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:21,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:21,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:21,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:23,392 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:23,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-13 20:20:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:23,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:23,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:23,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:23,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:23,402 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:23,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 20:20:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:23,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:23,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:23,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:25,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-13 20:20:25,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:25,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:25,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:25,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:25,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:25,330 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:25,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 20:20:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:25,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:25,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:25,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:27,265 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:27,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-13 20:20:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:27,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:27,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:27,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:27,272 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:27,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 20:20:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:27,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:27,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:27,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:29,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-13 20:20:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:29,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:29,176 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:29,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:29,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:29,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:29,178 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:29,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 20:20:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:29,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:29,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:29,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:31,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:31,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:31,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:31,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:31,242 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:31,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 20:20:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:31,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:31,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:31,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:33,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:33,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:33,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:33,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:33,194 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:33,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 20:20:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:33,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:33,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:33,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:35,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:35,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:35,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:35,178 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:35,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 20:20:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:35,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:35,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:35,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:37,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-13 20:20:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:37,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:37,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:37,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:37,173 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:37,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 20:20:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:37,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:37,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:37,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:39,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-13 20:20:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:39,121 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:39,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:39,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:39,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:39,124 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:39,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 20:20:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:39,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:39,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:39,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:41,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-13 20:20:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:41,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:41,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:41,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:41,303 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:41,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 20:20:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:41,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:41,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:41,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:43,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-13 20:20:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:43,249 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:43,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:43,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:43,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:43,251 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:43,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 20:20:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:43,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:43,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:43,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:45,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-13 20:20:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:45,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:45,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:45,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:45,196 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:45,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-13 20:20:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:45,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:45,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:45,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:47,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-13 20:20:47,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:47,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:47,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:47,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:47,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:47,137 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:47,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-13 20:20:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:47,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:47,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:47,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:49,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:49,062 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:49,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:49,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:49,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:49,064 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:49,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-13 20:20:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:49,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:49,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:49,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:51,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-13 20:20:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:51,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:51,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:51,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:51,057 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:51,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-13 20:20:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:51,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:51,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:51,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:53,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:53,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:53,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:53,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:53,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:53,029 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:53,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-13 20:20:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:53,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:53,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:53,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:54,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:54,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:54,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:54,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:54,966 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:54,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-13 20:20:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:55,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:55,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:55,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:56,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-13 20:20:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:56,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:56,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:56,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:56,938 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:56,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-13 20:20:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:57,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:57,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:57,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:20:58,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-13 20:20:58,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:20:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:20:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:20:58,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:58,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:20:58,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:20:58,854 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:20:58,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-13 20:20:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:59,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:20:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:59,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:20:59,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:00,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-13 20:21:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:00,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:00,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:00,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:00,803 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:00,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-13 20:21:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:01,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:01,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:01,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:02,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-13 20:21:02,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:02,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:02,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:02,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:02,752 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:02,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-13 20:21:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:03,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:03,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:03,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:04,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-13 20:21:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:04,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:04,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:04,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:04,760 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:04,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-13 20:21:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:05,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:05,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:05,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:06,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-13 20:21:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:06,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:06,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:06,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:06,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:06,747 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:06,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-13 20:21:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:06,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:07,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:07,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:08,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-13 20:21:08,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:08,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:08,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:08,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:08,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:08,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:08,699 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:08,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-13 20:21:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:08,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:08,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:08,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:10,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-13 20:21:10,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:10,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:10,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:10,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:10,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:10,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:10,734 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:10,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-13 20:21:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:11,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:11,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:11,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:12,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-13 20:21:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:12,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:12,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:12,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:12,737 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:12,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-13 20:21:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:12,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:13,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:13,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:14,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:14,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:14,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:14,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:14,690 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:14,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-13 20:21:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:14,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:14,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:14,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:16,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:16,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:16,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:16,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:16,604 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:16,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-13 20:21:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:16,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:16,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:16,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:18,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-13 20:21:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:18,498 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:18,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:18,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:18,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:18,500 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:18,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-13 20:21:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:18,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:18,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:18,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:20,469 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:20,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:20,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:20,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:20,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:20,479 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:20,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-13 20:21:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:20,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:20,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:20,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:22,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:22,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:22,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:22,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:22,585 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:22,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-13 20:21:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:22,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:22,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:22,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:24,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-13 20:21:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:24,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:24,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:24,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:24,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:24,569 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:24,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-13 20:21:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:24,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:24,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:24,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:26,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-13 20:21:26,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:26,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:26,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:26,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:26,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:26,499 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:26,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-13 20:21:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:26,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:26,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:26,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:28,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-13 20:21:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:28,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:28,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:28,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:28,401 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:28,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-13 20:21:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:28,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:28,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:28,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:30,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-13 20:21:30,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:30,287 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:30,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:30,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:30,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:30,289 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:30,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-13 20:21:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:30,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:30,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:30,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:32,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:32,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:32,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:32,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:32,279 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:32,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-13 20:21:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:32,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:32,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:32,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:34,180 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:34,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-13 20:21:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:34,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:34,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:34,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:34,187 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:34,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-13 20:21:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:34,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:34,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:34,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:36,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-13 20:21:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:36,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:36,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:36,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:36,076 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:36,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-13 20:21:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:36,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:36,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:36,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:37,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:37,961 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:37,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:37,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:37,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:37,963 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:37,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-13 20:21:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:38,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:38,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:38,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:39,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:39,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:39,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:39,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:39,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:39,944 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:39,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-13 20:21:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:40,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:40,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:40,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:41,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:41,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:41,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:41,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:41,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:41,852 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:41,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-13 20:21:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:42,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:42,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:42,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:43,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-13 20:21:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:43,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:43,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:43,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:43,776 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:43,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-13 20:21:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:44,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:44,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:44,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:45,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-13 20:21:45,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:45,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:45,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:45,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:45,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:45,717 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:45,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-13 20:21:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:46,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:46,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:46,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:47,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-13 20:21:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:47,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:47,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:47,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:47,716 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:47,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-13 20:21:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:47,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:48,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:48,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:49,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-13 20:21:49,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:49,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:49,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:49,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:49,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:49,708 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:49,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-13 20:21:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:49,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:49,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:49,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:51,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-13 20:21:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:51,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:51,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:51,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:51,668 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:51,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-13 20:21:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:51,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:52,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:52,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:54,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:54,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:54,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:54,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:54,179 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:54,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-13 20:21:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:54,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:54,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:54,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:56,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-13 20:21:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:56,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:56,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:56,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:56,237 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:56,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-13 20:21:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:56,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:56,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:56,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:21:58,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-13 20:21:58,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:21:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:21:58,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:21:58,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:58,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:58,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:58,158 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:58,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-13 20:21:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:58,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:58,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:21:58,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:00,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-13 20:22:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:00,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:00,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:00,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:00,266 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:00,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-13 20:22:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:00,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:00,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:00,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:02,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-13 20:22:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:02,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:02,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:02,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:02,222 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:02,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-13 20:22:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:02,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:02,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:02,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:04,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-13 20:22:04,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:04,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:04,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:04,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:04,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:04,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:04,141 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:04,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-13 20:22:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:04,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:04,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:04,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:06,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-13 20:22:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:06,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:06,063 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:06,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:06,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:06,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:06,067 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:06,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-13 20:22:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:06,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:06,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:06,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:08,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-13 20:22:08,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:08,320 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:08,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:08,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:08,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:08,323 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:08,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-13 20:22:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:08,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:08,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:08,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:10,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-13 20:22:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:10,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:10,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:10,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:10,328 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:10,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-13 20:22:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:10,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:10,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:10,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:12,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-13 20:22:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:12,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:12,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:12,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:12,317 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:12,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-13 20:22:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:12,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:12,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:12,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:14,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-13 20:22:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:14,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:14,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:14,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:14,243 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:14,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-13 20:22:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:14,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:14,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:14,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:16,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-13 20:22:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:16,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:16,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:16,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:16,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:16,192 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:16,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-13 20:22:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:16,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:16,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:16,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:18,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-13 20:22:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:18,138 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:18,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:18,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:18,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:18,140 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:18,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-13 20:22:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:18,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:18,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:18,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:20,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-13 20:22:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:20,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:20,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:20,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:20,130 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:20,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-13 20:22:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:20,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:20,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:20,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:22,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-13 20:22:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:22,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:22,154 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:22,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:22,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:22,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:22,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:22,156 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:22,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-13 20:22:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:22,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:22,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:22,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:24,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-13 20:22:24,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:24,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:24,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:24,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:24,212 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:24,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-13 20:22:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:24,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:24,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:24,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:26,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-11-13 20:22:26,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:26,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:26,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:26,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:26,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:26,120 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:26,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-13 20:22:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:26,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:26,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:26,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:28,018 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:28,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-13 20:22:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:28,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:28,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:28,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:28,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:28,024 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:28,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-13 20:22:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:28,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:28,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:28,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:29,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-13 20:22:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:29,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:29,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:29,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:29,916 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:29,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-13 20:22:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:30,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:30,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:30,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:31,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-13 20:22:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:31,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:31,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:31,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:31,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:31,920 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:31,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-13 20:22:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:32,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:32,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:32,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:33,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Forceful destruction successful, exit code 0 [2024-11-13 20:22:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:33,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:33,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:33,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:33,819 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:33,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-13 20:22:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:34,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:34,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:34,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:35,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-13 20:22:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:35,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:35,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:35,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:35,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:35,728 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:35,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-13 20:22:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:35,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:35,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:35,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:37,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-13 20:22:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:37,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:37,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:37,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:37,617 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:37,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-13 20:22:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:37,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:37,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:37,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:39,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-13 20:22:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:39,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:39,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:39,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:39,514 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:39,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-13 20:22:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:39,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:39,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:39,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:41,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-13 20:22:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:41,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:41,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:41,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:41,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:41,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:41,513 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:41,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-13 20:22:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:41,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:41,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:41,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:43,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-13 20:22:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:43,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:43,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:43,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:43,409 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:43,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-13 20:22:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:43,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:43,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:43,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:45,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-13 20:22:45,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:45,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:45,322 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:45,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:45,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:45,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:45,325 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:45,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-13 20:22:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:45,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:45,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:45,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:47,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-13 20:22:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:47,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:47,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:47,262 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:47,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-13 20:22:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:47,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:47,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:47,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:49,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-13 20:22:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:49,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:49,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:49,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:49,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:49,223 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:49,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-13 20:22:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:49,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:49,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:49,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:51,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-13 20:22:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:51,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:51,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:51,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:51,325 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:51,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-13 20:22:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:51,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:51,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:51,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:53,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:53,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-13 20:22:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:53,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:53,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:53,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:53,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:53,250 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:53,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-13 20:22:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:53,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:53,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:53,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:55,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-13 20:22:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:55,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:55,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:55,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:55,151 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:55,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-13 20:22:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:55,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:55,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:55,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:57,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-13 20:22:57,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:57,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:57,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:57,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:57,097 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:57,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-13 20:22:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:57,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:57,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:57,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:59,037 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:22:59,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-13 20:22:59,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:22:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:22:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:59,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:59,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:59,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:59,045 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:59,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-13 20:22:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:59,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:59,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:22:59,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:01,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-13 20:23:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:01,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:01,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:01,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:01,076 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:01,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-13 20:23:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:01,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:01,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:01,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:02,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-13 20:23:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:02,986 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:02,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:02,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:02,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:02,988 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:02,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-13 20:23:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:03,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:03,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:03,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:05,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-13 20:23:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:05,006 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:05,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:05,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:05,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:05,008 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:05,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-13 20:23:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:05,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:05,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:05,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:06,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-13 20:23:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:06,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:06,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:06,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:06,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:06,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:06,932 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:06,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-13 20:23:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:07,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:07,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:07,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:08,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-13 20:23:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:08,826 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:08,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:08,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:08,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:08,828 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:08,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-13 20:23:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:09,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:09,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:09,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:11,068 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:11,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-13 20:23:11,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:11,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:11,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:11,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:11,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:11,074 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:11,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-13 20:23:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:11,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:11,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:11,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:13,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-13 20:23:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:13,189 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:13,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:13,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:13,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:13,191 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:13,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-13 20:23:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:13,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:13,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:13,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:15,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Forceful destruction successful, exit code 0 [2024-11-13 20:23:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:15,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:15,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:15,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:15,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:15,120 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:15,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-13 20:23:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:15,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:15,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:15,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:17,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-13 20:23:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:17,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:17,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:17,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:17,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:17,061 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:17,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-13 20:23:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:17,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:17,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:17,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:18,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-13 20:23:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:18,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:18,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:18,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:18,991 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:18,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-13 20:23:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:19,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:19,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:19,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:21,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-13 20:23:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:21,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:21,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:21,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:21,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:21,194 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:21,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-13 20:23:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:21,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:21,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:21,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:23,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Forceful destruction successful, exit code 0 [2024-11-13 20:23:23,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:23,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:23,162 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:23,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:23,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:23,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:23,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:23,164 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:23,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-13 20:23:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:23,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:23,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:23,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:25,117 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:25,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-13 20:23:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:25,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:25,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:25,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:25,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:25,124 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:25,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-13 20:23:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:25,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:25,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:25,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:27,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-13 20:23:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:27,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:27,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:27,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:27,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:27,054 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:27,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-13 20:23:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:27,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:27,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:27,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:28,972 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:28,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-13 20:23:28,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:28,977 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:28,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:28,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:28,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:28,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:28,979 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:28,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-13 20:23:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:29,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:29,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:29,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:31,004 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:31,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-13 20:23:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:31,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:31,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:31,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:31,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:31,013 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:31,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-13 20:23:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:31,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:31,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:31,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:32,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-13 20:23:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:32,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:32,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:32,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:32,958 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:32,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-13 20:23:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:33,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:33,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:33,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:34,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-13 20:23:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:34,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:34,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:34,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:34,892 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:34,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-13 20:23:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:35,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:35,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:35,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:37,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-13 20:23:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:37,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:37,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:37,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:37,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:37,084 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:37,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-13 20:23:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:37,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:37,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:37,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:39,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-13 20:23:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:39,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:39,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:39,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:39,334 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:39,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-13 20:23:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:39,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:39,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:39,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:41,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-13 20:23:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:41,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:41,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:41,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:41,446 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:41,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-13 20:23:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:41,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:41,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:41,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:43,380 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:43,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-13 20:23:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:43,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:43,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:43,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:43,386 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:43,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-13 20:23:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:43,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:43,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:43,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:45,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-13 20:23:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:45,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:45,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:45,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:45,332 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:45,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-13 20:23:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:45,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:45,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:45,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:47,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-13 20:23:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:47,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:47,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:47,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:47,294 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:47,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-13 20:23:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:47,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:47,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:47,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:49,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-13 20:23:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:49,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:49,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:49,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:49,207 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:49,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-13 20:23:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:49,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:49,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:49,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:51,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-13 20:23:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:51,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:51,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:51,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:51,219 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:51,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-13 20:23:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:51,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:51,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:51,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:53,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-13 20:23:53,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:53,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:53,133 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:53,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:53,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:53,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:53,135 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:53,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-13 20:23:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:53,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:53,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:53,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:55,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-13 20:23:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:55,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:55,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:55,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:55,033 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:55,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-13 20:23:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:55,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:55,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:55,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:56,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-13 20:23:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:56,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:56,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:56,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:56,997 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:56,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-13 20:23:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:57,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:57,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:57,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:23:58,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-13 20:23:58,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:23:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:23:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:23:58,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:58,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:58,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:58,937 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:58,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-13 20:23:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:59,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:59,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:59,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:01,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-13 20:24:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:01,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:01,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:01,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:01,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:01,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:01,056 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:01,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-13 20:24:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:01,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:01,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:01,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:02,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-13 20:24:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:02,994 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:02,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:02,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:02,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:02,996 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:02,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-13 20:24:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:03,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:03,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:03,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:04,903 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:04,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-13 20:24:04,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:04,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:04,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:04,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:04,910 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:04,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-13 20:24:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:05,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:05,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:05,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:06,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-13 20:24:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:06,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:06,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:06,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:06,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:06,831 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:06,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-13 20:24:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:07,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:07,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:07,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:08,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:08,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:08,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:08,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:08,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:08,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:08,779 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:08,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-13 20:24:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:09,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:09,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:09,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:10,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-13 20:24:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:10,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:10,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:10,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:10,883 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:10,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-13 20:24:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:11,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:11,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:11,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:12,811 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:12,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:12,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:12,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:12,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:12,818 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:12,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-13 20:24:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:13,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:13,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:13,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:14,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-13 20:24:14,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:14,723 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:14,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:14,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:14,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:14,725 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:14,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-13 20:24:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:14,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:14,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:14,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:16,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-13 20:24:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:16,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:16,667 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:16,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:16,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:16,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:16,669 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:16,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-13 20:24:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:16,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:16,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:16,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:18,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:18,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:18,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:18,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:18,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:18,610 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:18,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-13 20:24:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:18,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:18,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:18,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:20,655 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:20,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-13 20:24:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:20,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:20,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:20,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:20,661 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:20,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-13 20:24:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:20,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:20,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:20,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:22,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-13 20:24:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:22,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:22,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:22,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:22,570 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:22,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-13 20:24:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:22,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:22,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:22,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:24,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:24,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:24,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:24,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:24,473 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:24,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-13 20:24:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:24,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:24,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:24,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:26,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:26,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:26,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:26,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:26,409 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:26,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-13 20:24:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:26,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:26,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:26,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:28,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-13 20:24:28,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:28,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:28,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:28,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:28,321 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:28,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-13 20:24:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:28,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:28,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:28,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:30,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-13 20:24:30,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:30,416 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:30,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:30,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:30,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:30,418 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:30,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-13 20:24:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:30,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:30,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:30,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:32,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:32,334 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:32,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:32,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:32,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:32,336 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:32,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-13 20:24:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:32,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:32,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:32,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:34,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:34,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:34,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:34,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:34,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:34,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:34,242 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:34,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-13 20:24:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:34,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:34,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:34,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:36,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-13 20:24:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:36,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:36,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:36,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:36,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:36,164 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:36,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-13 20:24:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:36,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:36,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:36,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:38,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-13 20:24:38,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:38,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:38,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:38,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:38,106 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:38,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-13 20:24:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:38,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:38,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:38,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:40,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-13 20:24:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:40,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:40,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:40,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:40,052 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:40,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-13 20:24:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:40,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:40,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:40,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:42,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-13 20:24:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:42,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:42,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:42,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:42,019 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:42,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-13 20:24:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:42,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:42,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:42,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:43,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-13 20:24:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:43,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:43,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:43,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:43,947 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:43,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-13 20:24:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:44,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:44,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:44,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:45,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:45,902 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:45,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:45,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:45,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:45,904 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:45,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-13 20:24:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:46,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:46,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:46,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:47,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-13 20:24:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:47,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:47,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:47,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:47,813 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:47,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-13 20:24:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:48,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:48,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:48,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:49,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:49,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:49,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:49,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:49,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:49,852 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:49,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-13 20:24:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:50,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:50,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:50,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:51,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-13 20:24:51,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:51,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:51,778 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:51,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:51,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:51,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:51,780 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:51,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-13 20:24:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:52,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:52,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:52,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:53,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-13 20:24:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:53,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:53,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:53,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:53,701 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:53,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-13 20:24:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:53,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:53,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:53,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:55,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-13 20:24:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:55,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:55,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:55,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:55,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:55,622 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:55,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-13 20:24:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:55,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:55,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:55,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:57,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:57,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:57,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:57,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:57,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:57,563 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:57,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-13 20:24:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:57,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:57,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:57,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:59,498 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:24:59,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-13 20:24:59,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:24:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:24:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:24:59,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:59,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:59,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:59,508 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:59,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-13 20:24:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:59,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:59,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:24:59,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:01,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-13 20:25:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:01,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:01,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:01,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:01,469 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:01,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-13 20:25:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:01,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:01,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:01,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:03,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-13 20:25:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:03,468 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:03,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:03,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:03,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:03,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:03,470 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:03,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-13 20:25:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:03,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:03,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:03,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:05,387 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:25:05,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Forceful destruction successful, exit code 0 [2024-11-13 20:25:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:05,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:05,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:05,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:05,392 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:05,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-13 20:25:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:05,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:05,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:05,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:07,310 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:07,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-13 20:25:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:07,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:07,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:07,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:07,316 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:07,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-13 20:25:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:07,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:07,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:07,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:09,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-13 20:25:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:09,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:09,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:09,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:09,226 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:09,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-13 20:25:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:09,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:09,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:09,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:11,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-13 20:25:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:11,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:11,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:11,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:11,216 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:11,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-13 20:25:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:11,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:11,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:11,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:13,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-13 20:25:13,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:13,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:13,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:13,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:13,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:13,137 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:13,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-13 20:25:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:13,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:13,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:13,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:15,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-13 20:25:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:15,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:15,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:15,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:15,043 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:15,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-13 20:25:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:15,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:15,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:15,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:16,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-13 20:25:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:16,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:16,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:16,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:16,979 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:16,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-13 20:25:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:17,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:17,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:17,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:18,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Forceful destruction successful, exit code 0 [2024-11-13 20:25:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:18,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:18,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:18,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:18,892 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:18,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-13 20:25:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:19,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:19,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:19,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:20,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-13 20:25:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:20,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:20,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:20,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:20,858 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:20,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-13 20:25:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:21,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:21,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:21,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:22,773 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:22,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Forceful destruction successful, exit code 0 [2024-11-13 20:25:22,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:22,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:22,779 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:22,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:22,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:22,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:22,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:22,782 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:22,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-13 20:25:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:23,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:23,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:23,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:24,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-13 20:25:24,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:24,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:24,695 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:24,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:24,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:24,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:24,697 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:24,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-13 20:25:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:24,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:24,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:24,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:26,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-13 20:25:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:26,611 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:26,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:26,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:26,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:26,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:26,616 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:26,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-13 20:25:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:26,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:26,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:26,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:28,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-13 20:25:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:28,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:28,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:28,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:28,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:28,554 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:28,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-13 20:25:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:28,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:28,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:28,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:30,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-13 20:25:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:30,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:30,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:30,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:30,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:30,501 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:30,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-13 20:25:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:30,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:30,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:30,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:32,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-13 20:25:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:32,418 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:32,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:32,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:32,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:32,422 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:32,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-13 20:25:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:32,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:32,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:32,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:34,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-13 20:25:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:34,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:34,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:34,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:34,472 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:34,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-13 20:25:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:34,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:34,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:34,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:36,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-13 20:25:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:36,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:36,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:36,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:36,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:36,396 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:36,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-13 20:25:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:36,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:36,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:36,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:38,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-13 20:25:38,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:38,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:38,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:38,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:38,323 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:38,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-13 20:25:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:38,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:38,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:38,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:40,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-13 20:25:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:40,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:40,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:40,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:40,414 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:40,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-13 20:25:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:40,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:40,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:40,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:42,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-13 20:25:42,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:42,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:42,324 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:42,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:42,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:42,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:42,326 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:42,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-13 20:25:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:42,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:42,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:42,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:44,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Forceful destruction successful, exit code 0 [2024-11-13 20:25:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:44,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:44,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:44,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:44,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:44,244 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:44,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-13 20:25:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:44,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:44,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:44,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:46,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-13 20:25:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:46,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:46,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:46,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:46,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:46,195 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:46,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-13 20:25:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:46,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:46,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:46,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:48,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-13 20:25:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:48,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:48,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:48,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:48,107 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:48,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-13 20:25:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:48,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:48,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:48,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:50,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-13 20:25:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:50,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:50,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:50,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:50,208 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:50,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-13 20:25:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:50,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:50,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:50,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:52,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-13 20:25:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:52,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:52,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:52,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:52,129 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:52,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-13 20:25:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:52,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:52,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:52,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:54,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-13 20:25:54,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:54,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:54,043 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:54,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:54,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:54,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:54,045 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:54,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-13 20:25:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:54,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:54,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:54,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:55,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-13 20:25:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:55,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:55,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:55,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:55,975 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:55,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-13 20:25:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:56,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:56,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:56,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:57,871 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:57,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-13 20:25:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:57,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:57,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:57,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:57,885 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:57,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-13 20:25:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:58,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:58,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:25:58,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:25:59,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-13 20:25:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:25:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:25:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:25:59,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:59,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:59,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:59,849 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:59,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-13 20:26:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:00,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:00,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:00,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:01,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-13 20:26:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:01,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:01,837 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:01,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:01,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:01,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:01,839 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:01,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-13 20:26:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:02,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:02,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:02,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:03,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-13 20:26:03,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:03,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:03,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:03,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:03,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:03,758 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:03,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-13 20:26:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:04,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:04,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:04,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:05,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-13 20:26:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:05,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:05,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:05,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:05,670 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:05,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-13 20:26:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:05,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:05,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:05,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:07,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-13 20:26:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:07,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:07,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:07,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:07,628 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:07,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-13 20:26:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:07,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:07,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:07,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:09,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-13 20:26:09,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:09,600 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:09,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:09,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:09,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:09,603 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:09,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-13 20:26:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:09,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:09,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:09,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:11,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-13 20:26:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:11,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:11,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:11,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:11,728 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:11,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-13 20:26:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:12,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:12,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:12,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:13,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-13 20:26:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:13,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:13,764 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:13,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:13,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:13,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:13,767 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:13,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-13 20:26:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:14,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:14,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:14,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:15,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-11-13 20:26:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:15,821 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:15,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:15,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:15,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:15,828 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:15,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-13 20:26:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:16,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:16,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:16,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:17,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-13 20:26:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:17,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:17,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:17,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:17,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:17,890 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:17,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-13 20:26:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:18,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:18,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:18,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:19,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-13 20:26:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:19,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:19,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:19,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:19,908 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:19,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-13 20:26:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:20,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:20,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:20,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:21,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-13 20:26:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:21,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:21,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:21,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:21,937 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:21,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-13 20:26:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:22,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:22,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:22,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:24,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-13 20:26:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:24,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:24,009 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:24,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:24,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:24,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:24,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:24,011 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:24,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-13 20:26:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:24,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:24,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:24,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:25,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-13 20:26:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:25,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:25,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:25,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:25,973 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:25,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-13 20:26:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:26,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:26,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:26,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:27,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-13 20:26:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:27,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:27,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:27,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:27,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:27,938 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:27,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-13 20:26:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:28,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:28,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:28,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:30,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-13 20:26:30,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:30,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:30,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:30,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:30,124 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:30,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-13 20:26:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:30,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:30,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:30,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:32,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-13 20:26:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:32,116 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:32,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:32,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:32,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:32,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:32,118 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:32,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-13 20:26:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:32,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:32,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:32,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:34,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-13 20:26:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:34,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:34,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:34,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:34,083 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:34,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-13 20:26:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:34,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:34,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:34,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:36,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-13 20:26:36,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:36,020 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:36,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:36,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:36,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:36,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:36,022 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:36,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-13 20:26:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:36,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:36,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:36,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:37,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-13 20:26:37,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:37,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:37,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:37,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:37,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:37,966 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:37,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-13 20:26:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:38,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:38,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:38,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:40,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-13 20:26:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:40,075 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:40,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:40,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:40,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:40,077 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:40,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-13 20:26:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:40,325 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:40,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:40,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:42,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Forceful destruction successful, exit code 0 [2024-11-13 20:26:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:42,007 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:42,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:42,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:42,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:42,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:42,009 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:42,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-13 20:26:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:42,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:42,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:42,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:43,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-13 20:26:43,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:43,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:43,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:43,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:43,947 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:43,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-13 20:26:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:44,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:44,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:44,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:45,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-13 20:26:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:45,895 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:45,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:45,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:45,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:45,897 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:45,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-13 20:26:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:46,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:46,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:46,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:47,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-13 20:26:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:47,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:47,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:47,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:47,821 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:47,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-13 20:26:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:48,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:48,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:48,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:49,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-13 20:26:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:49,777 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:49,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:49,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:49,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:49,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:49,779 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:49,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-13 20:26:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:50,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:50,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:50,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:51,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-13 20:26:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:51,797 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:51,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:51,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:51,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:51,800 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:51,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-13 20:26:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:52,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:52,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:52,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:53,893 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:53,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-13 20:26:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:53,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:53,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:53,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:53,899 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:53,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-13 20:26:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:54,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:54,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:54,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:55,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-13 20:26:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:55,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:55,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:55,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:55,934 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:55,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-13 20:26:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:56,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:56,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:56,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:26:57,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Forceful destruction successful, exit code 0 [2024-11-13 20:26:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:26:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:26:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:26:57,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:57,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:57,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:57,983 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:57,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-13 20:26:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:58,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:58,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:26:58,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:00,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-13 20:27:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:00,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:00,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:00,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:00,013 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:00,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-13 20:27:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:00,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:00,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:00,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:01,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-13 20:27:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:01,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:01,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:01,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:01,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:01,988 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:01,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-13 20:27:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:02,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:02,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:02,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:03,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-13 20:27:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:03,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:03,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:03,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:03,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:03,936 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:03,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-13 20:27:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:04,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:04,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:04,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:05,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-13 20:27:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:05,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:05,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:05,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:05,920 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:05,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-13 20:27:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:06,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:06,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:06,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:07,837 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:07,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-13 20:27:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:07,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:07,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:07,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:07,844 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:07,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-13 20:27:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:08,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:08,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:08,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:09,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-13 20:27:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:09,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:09,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:09,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:09,895 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:09,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-13 20:27:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:10,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:10,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:10,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:11,827 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:11,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-13 20:27:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:11,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:11,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:11,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:11,833 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:11,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-13 20:27:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:12,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:12,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:12,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:13,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-13 20:27:13,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:13,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:13,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:13,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:13,801 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:13,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-13 20:27:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:14,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:14,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:14,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:15,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-13 20:27:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:15,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:15,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:15,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:15,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:15,764 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:15,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-13 20:27:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:16,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:16,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:16,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:17,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Forceful destruction successful, exit code 0 [2024-11-13 20:27:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:17,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:17,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:17,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:17,715 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:17,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-13 20:27:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:17,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:17,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:17,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:19,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:19,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Forceful destruction successful, exit code 0 [2024-11-13 20:27:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:19,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:19,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:19,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:19,628 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:19,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-13 20:27:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:19,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:19,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:19,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:21,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-13 20:27:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:21,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:21,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:21,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:21,715 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:21,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-13 20:27:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:21,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:21,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:21,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:23,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-13 20:27:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:23,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:23,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:23,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:23,911 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:23,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-13 20:27:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:24,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:24,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:24,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:25,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-13 20:27:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:25,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:25,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:25,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:25,963 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:25,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-13 20:27:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:26,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:26,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:26,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:27,866 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:27,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-13 20:27:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:27,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:27,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:27,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:27,872 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:27,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-13 20:27:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:28,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:28,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:28,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:29,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2024-11-13 20:27:29,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:29,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:29,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:29,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:29,790 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:29,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-13 20:27:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:30,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:30,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:30,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:31,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-13 20:27:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:31,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:31,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:31,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:31,805 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:31,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-13 20:27:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:32,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:32,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:32,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:33,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-13 20:27:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:33,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:33,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:33,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:33,719 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:33,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-13 20:27:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:33,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:33,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:33,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:35,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-13 20:27:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:35,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:35,716 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:35,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:35,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:35,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:35,717 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:35,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-13 20:27:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:35,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:36,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:36,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:37,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-13 20:27:37,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:37,828 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:37,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:37,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:37,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:37,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:37,830 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:37,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-13 20:27:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:38,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:38,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:38,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:39,724 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:39,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-13 20:27:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:39,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:39,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:39,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:39,730 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:39,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-13 20:27:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:40,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:40,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:40,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:41,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-13 20:27:41,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:41,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:41,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:41,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:41,919 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:41,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-13 20:27:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:42,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:42,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:42,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:43,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-13 20:27:43,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:43,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:43,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:43,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:43,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:43,928 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:43,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-13 20:27:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:44,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:44,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:44,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:45,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-13 20:27:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:45,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:45,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:45,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:45,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:45,853 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:45,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-13 20:27:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:46,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:46,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:46,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:47,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-13 20:27:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:47,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:47,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:47,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:47,847 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:47,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-13 20:27:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:48,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:48,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:48,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:49,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-13 20:27:49,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:49,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:49,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:49,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:49,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:49,804 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:49,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-13 20:27:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:50,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:50,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:50,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:52,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-13 20:27:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:52,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:52,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:52,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:52,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:52,014 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:52,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-13 20:27:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:52,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:52,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:52,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:54,020 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:54,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-13 20:27:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:54,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:54,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:54,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:54,027 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:54,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-13 20:27:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:54,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:54,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:54,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:55,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-13 20:27:55,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:55,945 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:55,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:55,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:55,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:55,947 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:55,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-13 20:27:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:56,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:56,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:56,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:27:57,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Forceful destruction successful, exit code 0 [2024-11-13 20:27:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:27:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:27:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:27:57,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:57,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:57,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:57,930 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:57,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-13 20:27:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:58,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:58,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:27:58,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:00,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-13 20:28:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:00,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:00,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:00,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:00,026 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:00,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-13 20:28:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:00,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:00,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:00,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:01,956 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:01,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-13 20:28:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:01,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:01,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:01,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:01,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:01,963 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:01,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-13 20:28:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:02,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:02,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:02,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:03,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-13 20:28:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:03,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:03,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:03,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:03,926 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:03,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-13 20:28:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:04,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:04,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:04,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:05,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-13 20:28:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:05,945 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:05,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:05,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:05,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:05,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:05,946 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:05,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-13 20:28:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:06,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:06,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:06,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:07,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:07,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:07,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:07,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:07,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:07,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:07,857 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:07,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-13 20:28:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:08,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:08,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:08,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:09,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-13 20:28:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:09,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:09,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:09,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:09,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:09,867 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:09,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-13 20:28:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:10,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:10,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:10,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:11,785 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:11,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:11,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:11,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:11,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:11,792 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:11,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-13 20:28:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:12,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:12,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:12,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:13,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-13 20:28:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:13,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:13,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:13,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:13,694 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:13,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-13 20:28:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:13,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:13,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:13,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:15,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-13 20:28:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:15,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:15,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:15,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:15,607 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:15,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-13 20:28:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:15,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:15,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:15,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:17,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-13 20:28:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:17,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:17,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:17,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:17,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:17,559 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:17,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-13 20:28:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:17,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:17,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:17,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:19,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-13 20:28:19,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:19,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:19,471 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:19,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:19,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:19,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:19,473 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:19,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-13 20:28:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:19,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:19,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:19,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:21,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:21,599 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:21,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:21,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:21,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:21,601 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:21,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-13 20:28:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:21,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:21,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:21,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:23,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:23,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:23,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:23,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:23,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:23,580 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:23,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-13 20:28:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:23,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:23,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:23,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:25,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-13 20:28:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:25,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:25,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:25,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:25,485 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:25,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-13 20:28:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:25,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:25,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:25,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:27,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-13 20:28:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:27,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:27,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:27,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:27,581 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:27,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-13 20:28:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:27,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:27,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:27,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:29,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-13 20:28:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:29,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:29,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:29,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:29,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:29,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:29,520 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:29,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-13 20:28:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:29,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:29,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:29,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:31,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-13 20:28:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:31,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:31,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:31,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:31,503 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:31,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-13 20:28:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:31,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:31,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:31,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:33,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-13 20:28:33,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:33,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:33,401 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:33,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:33,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:33,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:33,403 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:33,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-13 20:28:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:33,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:33,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:33,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:35,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-13 20:28:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:35,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:35,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:35,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:35,314 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:35,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-13 20:28:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:35,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:35,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:35,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:37,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:37,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:37,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:37,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:37,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:37,247 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:37,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-13 20:28:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:37,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:37,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:37,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:39,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-13 20:28:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:39,151 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:39,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:39,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:39,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:39,153 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:39,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-13 20:28:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:39,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:39,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:39,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:41,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:41,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:41,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:41,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:41,244 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:41,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-13 20:28:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:41,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:41,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:41,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:43,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-13 20:28:43,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:43,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:43,151 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:43,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:43,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:43,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:43,156 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:43,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-13 20:28:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:43,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:43,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:43,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:45,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-13 20:28:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:45,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:45,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:45,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:45,089 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:45,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-13 20:28:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:45,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:45,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:45,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:47,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:47,042 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:47,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:47,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:47,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:47,044 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:47,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-13 20:28:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:47,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:47,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:47,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:48,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-13 20:28:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:48,937 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:48,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:48,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:48,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:48,939 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:48,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-13 20:28:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:49,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:49,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:49,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:50,953 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:50,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:50,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:50,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:50,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:50,960 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:50,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-13 20:28:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:51,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:51,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:51,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:52,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-13 20:28:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:52,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:52,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:52,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:52,871 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:52,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-13 20:28:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:53,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:53,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:53,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:54,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-13 20:28:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:54,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:54,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:54,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:54,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:54,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:54,777 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:54,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-13 20:28:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:55,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:55,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:55,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:56,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-13 20:28:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:56,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:56,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:56,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:56,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:56,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:56,725 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:56,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-13 20:28:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:56,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:56,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:56,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:58,669 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:28:58,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-13 20:28:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:28:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:28:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:28:58,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:58,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:58,677 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:58,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-13 20:28:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:58,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:58,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:28:58,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:00,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-13 20:29:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:00,738 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:00,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:00,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:00,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:00,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:00,740 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:00,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-13 20:29:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:00,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:01,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:01,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:02,734 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:02,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-13 20:29:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:02,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:02,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:02,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:02,741 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:02,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-13 20:29:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:02,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:03,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:03,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:04,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-13 20:29:04,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:04,656 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:04,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:04,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:04,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:04,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:04,658 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:04,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-13 20:29:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:04,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:04,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:04,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:06,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-13 20:29:06,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:06,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:06,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:06,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:06,667 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:06,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-13 20:29:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:06,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:06,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:06,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:08,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-13 20:29:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:08,663 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:08,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:08,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:08,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:08,665 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:08,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-13 20:29:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:08,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:08,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:08,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:10,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-13 20:29:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:10,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:10,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:10,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:10,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:10,707 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:10,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-13 20:29:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:10,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:10,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:10,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:12,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-13 20:29:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:12,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:12,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:12,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:12,711 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:12,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-13 20:29:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:12,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:12,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:12,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:14,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (346)] Forceful destruction successful, exit code 0 [2024-11-13 20:29:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:14,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:14,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:14,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:14,629 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:14,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-13 20:29:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:14,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:14,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:14,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:16,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2024-11-13 20:29:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:16,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:16,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:16,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:16,628 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:16,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-13 20:29:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:16,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:16,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:16,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:18,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-13 20:29:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:18,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:18,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:18,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:18,667 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:18,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-13 20:29:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:18,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:18,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:18,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:20,675 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:20,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-13 20:29:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:20,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:20,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:20,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:20,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:20,681 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:20,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-13 20:29:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:20,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:20,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:20,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:22,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-13 20:29:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:22,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:22,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:22,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:22,628 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:22,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-13 20:29:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:22,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:22,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:22,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:24,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-13 20:29:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:24,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:24,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:24,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:24,592 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:24,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-13 20:29:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:24,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:24,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:24,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:26,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (352)] Forceful destruction successful, exit code 0 [2024-11-13 20:29:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:26,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:26,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:26,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:26,621 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:26,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-13 20:29:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:26,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:26,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:26,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:28,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-13 20:29:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:28,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:28,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:28,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:28,522 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:28,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-13 20:29:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:28,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:28,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:28,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:30,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (354)] Forceful destruction successful, exit code 0 [2024-11-13 20:29:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:30,553 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:30,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:30,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:30,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:30,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:30,555 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:30,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-13 20:29:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:30,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:30,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:30,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:32,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-13 20:29:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:32,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:32,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:32,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:32,501 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:32,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-13 20:29:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:32,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:32,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:32,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:34,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-13 20:29:34,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:34,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:34,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:34,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:34,442 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:34,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-13 20:29:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:34,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:34,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:34,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:36,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-13 20:29:36,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:36,408 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:36,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:36,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:36,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:36,410 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:36,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-13 20:29:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:36,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:36,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:36,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:38,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-13 20:29:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:38,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:38,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:38,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:38,350 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:38,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-13 20:29:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:38,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:38,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:38,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:40,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (359)] Forceful destruction successful, exit code 0 [2024-11-13 20:29:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:40,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:40,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:40,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:40,460 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:40,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-13 20:29:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:40,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:40,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:40,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:42,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-13 20:29:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:42,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:42,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:42,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:42,443 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:42,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-13 20:29:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:42,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:42,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:42,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:44,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-13 20:29:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:44,386 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:44,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:44,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:44,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:44,389 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:44,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-13 20:29:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:44,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:44,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:44,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:46,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-13 20:29:46,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:46,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:46,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:46,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:46,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:46,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:46,317 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:46,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-13 20:29:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:46,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:46,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:46,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:48,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (363)] Forceful destruction successful, exit code 0 [2024-11-13 20:29:48,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:48,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:48,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:48,273 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:48,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-13 20:29:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:48,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:48,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:48,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:50,416 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:50,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-13 20:29:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:50,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:50,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:50,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:50,422 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:50,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-13 20:29:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:50,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:50,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:50,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:52,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-13 20:29:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:52,351 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:52,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:52,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:52,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:52,352 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:52,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-13 20:29:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:52,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:52,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:52,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:54,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-13 20:29:54,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:54,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:54,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:54,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:54,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:54,311 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:54,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-13 20:29:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:54,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:54,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:54,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:56,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-13 20:29:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:56,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:56,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:56,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:56,209 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:56,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-13 20:29:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:56,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:56,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:56,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:29:58,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-13 20:29:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:29:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:29:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:29:58,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:58,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:58,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:58,121 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:58,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-13 20:29:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:58,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:58,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:58,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:00,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-13 20:30:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:00,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:00,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:00,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:00,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:00,142 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:00,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-13 20:30:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:00,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:00,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:00,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:02,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-13 20:30:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:02,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:02,048 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:02,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:02,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:02,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:02,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:02,051 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:02,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-13 20:30:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:02,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:02,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:02,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:04,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-13 20:30:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:04,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:04,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:04,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:04,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:04,047 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:04,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-13 20:30:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:04,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:04,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:04,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:05,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-13 20:30:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:05,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:05,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:05,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:05,955 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:05,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-13 20:30:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:06,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:06,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:06,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:07,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-13 20:30:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:07,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:07,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:07,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:07,872 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:07,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-13 20:30:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:08,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:08,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:08,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:09,844 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:09,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-11-13 20:30:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:09,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:09,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:09,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:09,851 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:09,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-13 20:30:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:10,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:10,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:10,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:11,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (375)] Forceful destruction successful, exit code 0 [2024-11-13 20:30:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:11,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:11,764 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:11,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:11,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:11,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:11,766 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:11,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-13 20:30:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:12,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:12,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:12,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:13,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (376)] Forceful destruction successful, exit code 0 [2024-11-13 20:30:13,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:13,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:13,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:13,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:13,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:13,674 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:13,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-11-13 20:30:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:13,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:13,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:13,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:15,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-11-13 20:30:15,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:15,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:15,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:15,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:15,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:15,576 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:15,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-11-13 20:30:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:15,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:15,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:15,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:17,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2024-11-13 20:30:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:17,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:17,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:17,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:17,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:17,481 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:17,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-11-13 20:30:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:17,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:17,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:17,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:19,376 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:19,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-11-13 20:30:19,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:19,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:19,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:19,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:19,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:19,382 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:19,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-11-13 20:30:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:19,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:19,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:19,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:21,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (380)] Forceful destruction successful, exit code 0 [2024-11-13 20:30:21,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:21,331 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:21,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:21,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:21,333 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:21,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-11-13 20:30:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:21,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:21,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:21,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:23,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (381)] Forceful destruction successful, exit code 0 [2024-11-13 20:30:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:23,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:23,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:23,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:23,236 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:23,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-11-13 20:30:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:23,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:23,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:23,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:25,124 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:25,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (382)] Forceful destruction successful, exit code 0 [2024-11-13 20:30:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:25,131 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:25,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:25,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:25,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:25,134 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:25,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-11-13 20:30:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:25,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:25,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:25,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:27,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (383)] Forceful destruction successful, exit code 0 [2024-11-13 20:30:27,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:27,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:27,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:27,082 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:27,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-11-13 20:30:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:27,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:27,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:27,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:28,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (384)] Ended with exit code 0 [2024-11-13 20:30:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:28,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:28,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:28,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:29,002 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:29,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-11-13 20:30:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:29,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:29,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:29,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:31,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-11-13 20:30:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:31,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:31,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:31,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:31,009 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:31,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-11-13 20:30:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:31,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:31,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:31,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:32,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (386)] Forceful destruction successful, exit code 0 [2024-11-13 20:30:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:32,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:32,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:32,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:32,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:32,906 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:32,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-11-13 20:30:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:33,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:33,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:33,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:34,797 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:34,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-11-13 20:30:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:34,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:34,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:34,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:34,803 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:34,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-11-13 20:30:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:35,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:35,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:35,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:36,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2024-11-13 20:30:36,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:36,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:36,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:36,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:36,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:36,768 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:36,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-11-13 20:30:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:37,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:37,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:37,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:38,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-11-13 20:30:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:38,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:38,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:38,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:38,671 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:38,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-11-13 20:30:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:38,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:38,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:38,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:40,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-11-13 20:30:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:40,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:40,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:40,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:40,688 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:40,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-11-13 20:30:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:40,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:40,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:40,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:42,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-11-13 20:30:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:42,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:42,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:42,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:42,598 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:42,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-11-13 20:30:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:42,842 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:42,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:42,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:44,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-11-13 20:30:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:44,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:44,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:44,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:44,514 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:44,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-11-13 20:30:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:44,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:44,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:44,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:46,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2024-11-13 20:30:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:46,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:46,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:46,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:46,419 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:46,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-11-13 20:30:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:46,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:46,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:46,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:48,322 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:48,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-11-13 20:30:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:48,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:48,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:48,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:48,329 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:48,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-11-13 20:30:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:48,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:48,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:48,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:50,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-11-13 20:30:50,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:50,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:50,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:50,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:50,263 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:50,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-11-13 20:30:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:50,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:50,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:50,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:52,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-11-13 20:30:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:52,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:52,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:52,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:52,227 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:52,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-11-13 20:30:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:52,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:52,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:52,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:54,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-11-13 20:30:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:54,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:54,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:54,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:54,138 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:54,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-11-13 20:30:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:54,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:54,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:54,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:56,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (398)] Forceful destruction successful, exit code 0 [2024-11-13 20:30:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:56,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:56,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:56,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:56,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:56,045 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:56,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-11-13 20:30:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:56,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:56,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:56,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:57,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-11-13 20:30:57,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:57,949 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:57,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:57,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:57,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:57,951 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:57,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-11-13 20:30:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:58,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:58,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:58,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:30:59,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-11-13 20:30:59,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:59,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:30:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:30:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:30:59,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:59,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:59,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:59,973 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:59,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-11-13 20:31:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:00,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:00,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:00,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:01,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-11-13 20:31:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:01,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:01,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:01,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:01,876 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:01,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-11-13 20:31:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:02,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:02,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:02,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:03,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-11-13 20:31:03,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:03,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:03,783 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:03,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:03,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:03,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:03,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:03,786 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:03,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-11-13 20:31:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:04,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:04,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:04,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:05,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (403)] Forceful destruction successful, exit code 0 [2024-11-13 20:31:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:05,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:05,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:05,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:05,689 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:05,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-11-13 20:31:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:05,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:05,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:05,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:07,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-11-13 20:31:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:07,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:07,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:07,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:07,605 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:07,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-11-13 20:31:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:07,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:07,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:07,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:09,506 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:09,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-11-13 20:31:09,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:09,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:09,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:09,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:09,513 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:09,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-11-13 20:31:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:09,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:09,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:09,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:11,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-11-13 20:31:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:11,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:11,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:11,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:11,419 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:11,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-11-13 20:31:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:11,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:11,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:11,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:13,417 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:13,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-11-13 20:31:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:13,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:13,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:13,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:13,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:13,424 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:13,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-11-13 20:31:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:13,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:13,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:13,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:15,337 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:15,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-11-13 20:31:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:15,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:15,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:15,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:15,344 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:15,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-11-13 20:31:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:15,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:15,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:15,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:17,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-11-13 20:31:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:17,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:17,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:17,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:17,314 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:17,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-11-13 20:31:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:17,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:17,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:17,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:19,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2024-11-13 20:31:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:19,211 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:19,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:19,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:19,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:19,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:19,212 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:19,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-11-13 20:31:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:19,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:19,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:19,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:21,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-11-13 20:31:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:21,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:21,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:21,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:21,213 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:21,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-11-13 20:31:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:21,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:21,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:21,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:23,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-11-13 20:31:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:23,125 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:23,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:23,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:23,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:23,126 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:23,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-11-13 20:31:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:23,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:23,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:23,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:25,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-11-13 20:31:25,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:25,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:25,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:25,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:25,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:25,037 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:25,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-11-13 20:31:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:25,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:25,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:25,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:26,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-11-13 20:31:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:26,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:26,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:26,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:26,958 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:26,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-11-13 20:31:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:27,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:27,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:27,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:29,320 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:29,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-11-13 20:31:29,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:29,325 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:29,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:29,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:29,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:29,326 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:29,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-11-13 20:31:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:29,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:29,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:29,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:31,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-11-13 20:31:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:31,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:31,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:31,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:31,385 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:31,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-11-13 20:31:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:31,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:31,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:31,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:33,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-11-13 20:31:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:33,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:33,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:33,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:33,343 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:33,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-11-13 20:31:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:33,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:33,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:33,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:35,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-11-13 20:31:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:35,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:35,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:35,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:35,247 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:35,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-11-13 20:31:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:35,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:35,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:35,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:37,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-11-13 20:31:37,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:37,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:37,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:37,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:37,234 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:37,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-11-13 20:31:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:37,485 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:37,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:37,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:39,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-11-13 20:31:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:39,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:39,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:39,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:39,166 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:39,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-11-13 20:31:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:39,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:39,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:39,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:41,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (421)] Forceful destruction successful, exit code 0 [2024-11-13 20:31:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:41,239 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:41,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:41,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:41,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:41,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:41,241 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:41,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-11-13 20:31:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:41,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:41,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:41,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:43,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-11-13 20:31:43,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:43,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:43,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:43,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:43,182 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:43,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-11-13 20:31:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:43,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:43,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:43,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:45,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-11-13 20:31:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:45,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:45,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:45,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:45,097 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:45,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-11-13 20:31:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:45,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:45,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:45,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:47,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-11-13 20:31:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:47,077 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:47,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:47,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:47,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:47,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:47,079 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:47,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-11-13 20:31:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:47,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:47,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:47,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:49,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2024-11-13 20:31:49,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:49,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:49,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:49,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:49,109 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:49,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-11-13 20:31:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:49,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:49,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:49,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:51,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-11-13 20:31:51,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:51,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:51,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:51,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:51,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:51,164 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:51,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-11-13 20:31:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:51,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:51,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:51,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:53,082 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:53,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-11-13 20:31:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:53,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:53,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:53,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:53,089 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:53,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-11-13 20:31:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:53,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:53,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:53,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:55,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-11-13 20:31:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:55,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:55,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:55,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:55,011 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:55,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-11-13 20:31:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:55,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:55,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:55,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:56,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-11-13 20:31:56,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:56,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:56,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:56,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:56,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:56,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:56,985 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:56,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-11-13 20:31:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:57,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:57,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:57,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:31:58,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-11-13 20:31:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:31:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:31:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:31:58,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:58,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:58,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:58,914 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:58,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-11-13 20:31:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:59,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:59,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:31:59,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:32:00,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-11-13 20:32:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:32:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:32:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:32:00,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:00,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:00,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:00,977 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:00,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-11-13 20:32:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:01,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:01,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:32:01,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:32:02,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-11-13 20:32:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:32:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:32:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:32:02,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:02,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:02,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:02,916 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:02,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-11-13 20:32:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:03,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:03,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:32:03,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:32:04,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-11-13 20:32:04,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:32:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:32:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:32:04,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:04,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:04,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:04,856 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:04,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-11-13 20:32:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:05,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:05,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:32:05,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:32:06,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-11-13 20:32:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:32:06,824 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:32:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:32:06,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:06,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:06,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:06,826 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:06,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-11-13 20:32:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:07,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:07,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:32:07,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:32:08,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2024-11-13 20:32:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:32:08,751 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:32:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:32:08,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:08,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:08,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:08,752 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:08,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-11-13 20:32:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:09,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:09,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:32:09,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:32:10,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-11-13 20:32:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:32:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:32:10,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:32:10,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:10,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:10,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:10,781 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:10,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-11-13 20:32:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:11,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:11,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:32:11,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:32:12,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (437)] Ended with exit code 0 [2024-11-13 20:32:12,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:12,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 20:32:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 20:32:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:32:12,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:12,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:12,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:12,707 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:12,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c51eeb-dc8c-4652-8695-89d266f02cb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-11-13 20:32:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:12,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:12,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:32:12,976 INFO L278 TraceCheckSpWp]: Computing forward predicates...