./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.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_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/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_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/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_395cf414-fd61-4622-b89f-2cfe53d3cd33/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 fcc09d49231b686aa277ecab6a7e97333755471ed05bf82f2888dada5ad54255 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:33:56,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:33:56,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:33:56,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:33:56,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:33:56,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:33:56,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:33:56,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:33:56,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:33:56,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:33:56,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:33:56,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:33:56,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:33:56,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:33:56,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:33:56,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:33:56,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:33:56,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:33:56,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:33:56,408 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:33:56,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:33:56,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:33:56,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:33:56,409 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:33:56,409 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:33:56,409 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:33:56,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:33:56,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:56,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:33:56,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:33:56,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:33:56,410 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:33:56,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:33:56,410 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_395cf414-fd61-4622-b89f-2cfe53d3cd33/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 -> fcc09d49231b686aa277ecab6a7e97333755471ed05bf82f2888dada5ad54255 [2024-11-13 21:33:56,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:33:56,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:33:56,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:33:56,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:33:56,752 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:33:56,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i Unable to find full path for "g++" [2024-11-13 21:33:58,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:33:59,018 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:33:59,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i [2024-11-13 21:33:59,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/data/818914b6a/06c5c7aa6fdd44138c2d57a6bb1471c8/FLAGa09efe817 [2024-11-13 21:33:59,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/data/818914b6a/06c5c7aa6fdd44138c2d57a6bb1471c8 [2024-11-13 21:33:59,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:33:59,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:33:59,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:59,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:33:59,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:33:59,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b85fb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59, skipping insertion in model container [2024-11-13 21:33:59,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:33:59,374 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_395cf414-fd61-4622-b89f-2cfe53d3cd33/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i[915,928] [2024-11-13 21:33:59,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:59,429 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:33:59,442 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_395cf414-fd61-4622-b89f-2cfe53d3cd33/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i[915,928] [2024-11-13 21:33:59,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:59,542 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:33:59,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59 WrapperNode [2024-11-13 21:33:59,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:59,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:59,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:33:59,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:33:59,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,612 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-13 21:33:59,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:59,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:33:59,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:33:59,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:33:59,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:33:59,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:33:59,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:33:59,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:33:59,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:59" (1/1) ... [2024-11-13 21:33:59,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:59,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:33:59,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:33:59,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:33:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:33:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:33:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:33:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:33:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:33:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:33:59,859 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:33:59,862 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:34:00,287 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 21:34:00,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:34:00,595 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:34:00,596 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:34:00,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:00 BoogieIcfgContainer [2024-11-13 21:34:00,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:34:00,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:34:00,598 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:34:00,611 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:34:00,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:00" (1/1) ... [2024-11-13 21:34:00,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:34:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:00,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 21:34:00,678 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 21:34:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:34:00,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:00,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:34:01,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:34:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:34:01,249 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:34:01,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:34:01 ImpRootNode [2024-11-13 21:34:01,306 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:34:01,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:34:01,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:34:01,308 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:34:01,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:00" (3/4) ... [2024-11-13 21:34:01,312 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:34:01,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:34:01,316 INFO L158 Benchmark]: Toolchain (without parser) took 2102.34ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 108.7MB in the end (delta: 10.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-13 21:34:01,316 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:01,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.22ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 106.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:34:01,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.43ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:34:01,317 INFO L158 Benchmark]: Boogie Preprocessor took 61.88ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:01,318 INFO L158 Benchmark]: RCFGBuilder took 917.54ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 65.0MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:34:01,318 INFO L158 Benchmark]: CodeCheck took 708.93ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 108.7MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:01,318 INFO L158 Benchmark]: Witness Printer took 5.64ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:01,322 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 78, overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] signed short int var_1_5 = 1; [L24] signed short int var_1_8 = -128; [L25] signed short int var_1_9 = 1; [L26] float var_1_10 = 25.8; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 1; [L29] float var_1_13 = 16.45; [L30] unsigned long int var_1_14 = 200; [L31] unsigned short int var_1_15 = 32; [L32] unsigned short int var_1_16 = 256; [L90] isInitial = 1 [L91] FCALL initially() [L92] int k_loop; [L93] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-128, var_1_9=1] [L93] COND TRUE k_loop < 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L65] var_1_8 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=1] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=1] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=1] [L68] var_1_9 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L71] var_1_11 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L74] var_1_12 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L77] var_1_13 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L79] var_1_16 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=65537, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=129/5, var_1_11=1, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=65537, var_1_1=100000000, var_1_5=1, var_1_8=-1, var_1_9=0] [L95] RET updateVariables() [L96] CALL step() [L36] var_1_15 = var_1_16 [L37] var_1_14 = var_1_15 [L38] COND TRUE \read(var_1_11) [L39] COND FALSE !(\read(var_1_12)) [L46] var_1_10 = var_1_13 [L51] COND TRUE var_1_10 >= 50.4f [L52] var_1_1 = ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))) [L54] COND TRUE var_1_15 == (var_1_14 * var_1_15) [L55] COND FALSE !(var_1_10 >= (var_1_10 + var_1_10)) [L58] var_1_5 = var_1_8 [L96] RET step() [L97] CALL, EXPR property() [L86] EXPR (((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) [L86-L87] return (((((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13)))) && (var_1_14 == ((unsigned long int) var_1_15))) && (var_1_15 == ((unsigned short int) var_1_16)) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=65537, var_1_16=65537, var_1_1=1, var_1_5=-1, var_1_8=-1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=65537, var_1_16=65537, var_1_1=1, var_1_5=-1, var_1_8=-1, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.22ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 106.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.43ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.88ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 917.54ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 65.0MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 708.93ms. Allocated memory is still 142.6MB. Free memory was 65.0MB in the beginning and 108.7MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.64ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.7MB in the end (delta: 27.0kB). 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 21:34:01,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/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_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/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_395cf414-fd61-4622-b89f-2cfe53d3cd33/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 fcc09d49231b686aa277ecab6a7e97333755471ed05bf82f2888dada5ad54255 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:34:04,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:34:04,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:34:04,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:34:04,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:34:04,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:34:04,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:34:04,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:34:04,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:34:04,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:34:04,142 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:34:04,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:34:04,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:34:04,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:34:04,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:34:04,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:34:04,143 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:34:04,143 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:34:04,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:34:04,143 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:34:04,143 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:34:04,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:34:04,143 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:34:04,144 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:34:04,144 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:34:04,144 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:34:04,144 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:04,144 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:34:04,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:34:04,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:04,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:34:04,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:34:04,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:34:04,145 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:34:04,145 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:04,145 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:34:04,145 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_395cf414-fd61-4622-b89f-2cfe53d3cd33/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 -> fcc09d49231b686aa277ecab6a7e97333755471ed05bf82f2888dada5ad54255 [2024-11-13 21:34:04,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:34:04,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:34:04,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:34:04,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:34:04,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:34:04,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i Unable to find full path for "g++" [2024-11-13 21:34:06,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:34:06,903 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:34:06,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i [2024-11-13 21:34:06,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/data/33425e69e/f9991f64c8324c8b84ce6e1d744d16a9/FLAGf1805ec75 [2024-11-13 21:34:07,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/data/33425e69e/f9991f64c8324c8b84ce6e1d744d16a9 [2024-11-13 21:34:07,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:34:07,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:34:07,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:07,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:34:07,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:34:07,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74011ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07, skipping insertion in model container [2024-11-13 21:34:07,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:34:07,486 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_395cf414-fd61-4622-b89f-2cfe53d3cd33/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i[915,928] [2024-11-13 21:34:07,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:07,572 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:34:07,591 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_395cf414-fd61-4622-b89f-2cfe53d3cd33/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-91.i[915,928] [2024-11-13 21:34:07,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:07,662 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:34:07,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07 WrapperNode [2024-11-13 21:34:07,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:07,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:07,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:34:07,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:34:07,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,720 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2024-11-13 21:34:07,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:07,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:34:07,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:34:07,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:34:07,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:34:07,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:34:07,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:34:07,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:34:07,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:07,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:34:07,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:34:07,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:34:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:34:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:34:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:34:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:34:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:34:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:34:07,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:34:07,918 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:34:08,339 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 21:34:08,339 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:34:08,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:34:08,473 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:34:08,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:08 BoogieIcfgContainer [2024-11-13 21:34:08,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:34:08,475 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:34:08,475 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:34:08,488 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:34:08,488 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:08" (1/1) ... [2024-11-13 21:34:08,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:34:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 21:34:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 21:34:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:34:08,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:08,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:08,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:08,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:08,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:34:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:09,351 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:09,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:34:09,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:34:34,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:34:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2024-11-13 21:34:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2024-11-13 21:34:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:34:36,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:36,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:36,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:36,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:36,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:34:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:36,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:37,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:34:37,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:34:54,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:34:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:54,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2024-11-13 21:34:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2024-11-13 21:34:54,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:34:54,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:54,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:54,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:54,689 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:54,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:34:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:55,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:55,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:34:55,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:35:11,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:35:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2024-11-13 21:35:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2024-11-13 21:35:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:35:11,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:11,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:11,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:11,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:11,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:35:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:12,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:12,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:35:12,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:35:29,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:35:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:35:30,403 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:35:30,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:35:30,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:30,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:30,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:30,408 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:30,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:35:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:30,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:31,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:35:31,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:48,780 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:35:48,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:35:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:35:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:35:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:35:48,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:48,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:48,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:48,799 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:48,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:35:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:49,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:49,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:35:49,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:36:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:36:06,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:36:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:36:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:36:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:36:06,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:06,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:36:06,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:36:06,854 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:36:06,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:36:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:07,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:36:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:07,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:36:07,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:36:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:36:25,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:36:25,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:36:25,237 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:36:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:36:25,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:25,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:36:25,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:36:25,241 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:36:25,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:36:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:25,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:36:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:25,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:36:25,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:36:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:36:43,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:36:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:43,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:36:43,855 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:36:43,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:36:43,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:43,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:36:43,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:36:43,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:36:43,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:36:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:44,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:36:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:44,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:36:44,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:36:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:36:59,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 21:36:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:36:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:36:59,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:36:59,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:59,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:36:59,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:36:59,922 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:36:59,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:37:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:00,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:00,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:37:00,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:37:15,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 21:37:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:15,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:37:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:37:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:37:15,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:15,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:15,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:15,948 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:15,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:37:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:16,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:16,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:37:16,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:37:32,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:37:32,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:32,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:37:32,163 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:37:32,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:37:32,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:32,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:32,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:32,166 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:32,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:37:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:32,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:32,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:37:32,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:37:48,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:37:48,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:37:48,550 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:37:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:37:48,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:48,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:48,557 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:48,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:37:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:48,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:49,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:37:49,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:38:05,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 21:38:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:38:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:38:05,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:38:05,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:05,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:38:05,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:38:05,021 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:38:05,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:38:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:05,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:38:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:05,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:38:05,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:38:21,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 21:38:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:38:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:38:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:38:21,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:21,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:38:21,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:38:21,409 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:38:21,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:38:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:21,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:38:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:21,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:38:21,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:38:36,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:38:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:38:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:38:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:38:36,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:36,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:38:36,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:38:36,271 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:38:36,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:38:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:36,678 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:38:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:36,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:38:36,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:38:51,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:38:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:38:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:38:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:38:51,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:51,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:38:51,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:38:51,284 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:38:51,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:38:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:51,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:38:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:51,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:38:51,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:39:07,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 21:39:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:39:07,547 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:39:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:39:07,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:07,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:07,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:07,550 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:07,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:39:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:07,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:08,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:39:08,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:39:22,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:39:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:22,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:39:22,778 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:39:22,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:39:22,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:22,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:22,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:22,784 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:22,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:39:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:23,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:23,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:39:23,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:39:40,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:39:40,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:40,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:39:40,245 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:39:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:39:40,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:40,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:40,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:40,249 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:40,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:39:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:40,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:40,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:39:40,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:39:57,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 21:39:57,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:39:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:39:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:39:57,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:57,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:57,713 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:57,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:39:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:58,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:58,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:39:58,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:40:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:40:15,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:40:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:40:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:40:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:40:15,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:15,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:40:15,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:40:15,714 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:40:15,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:40:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:16,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:40:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:16,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:40:16,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:40:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:40:35,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 21:40:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:40:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:40:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:40:35,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:35,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:40:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:40:35,383 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:40:35,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:40:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:35,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:40:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:36,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:40:36,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:40:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:40:53,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 21:40:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:40:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:40:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:40:53,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:53,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:40:53,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:40:53,912 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:40:53,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:40:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:54,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:40:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:54,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:40:54,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:41:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:41:11,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 21:41:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:41:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:41:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:41:11,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:11,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:41:11,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:41:11,511 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:41:11,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:41:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:11,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:41:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:12,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:41:12,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:41:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:41:30,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 21:41:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:41:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:41:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:41:30,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:30,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:41:30,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:41:30,127 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:41:30,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:41:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:30,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:41:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:30,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:41:30,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:41:48,680 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:41:48,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 21:41:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:41:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:41:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:41:48,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:48,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:41:48,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:41:48,693 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:41:48,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:41:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:49,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:41:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:49,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:41:49,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:42:06,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:42:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:42:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:42:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:42:06,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:06,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:06,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:06,574 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:06,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:42:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:07,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:07,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:42:07,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:25,215 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:42:25,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:42:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:25,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:42:25,223 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:42:25,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:42:25,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:25,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:25,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:25,228 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:25,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:42:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:25,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:25,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:42:25,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:44,319 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:42:44,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 21:42:44,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:42:44,328 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:42:44,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:42:44,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:44,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:44,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:44,331 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:44,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:42:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:44,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:44,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:42:44,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:00,858 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:43:00,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 21:43:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:43:00,867 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:43:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:43:00,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:00,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:00,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:00,870 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:00,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:43:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:01,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:01,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:43:01,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:43:18,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:43:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:43:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:43:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:43:18,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:18,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:18,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:18,668 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:18,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:43:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:19,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:19,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:43:19,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:43:37,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:43:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:43:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:43:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:43:37,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:37,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:37,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:37,948 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:37,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 21:43:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:38,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:38,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:43:38,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:43:56,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-13 21:43:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:43:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:43:56,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:43:56,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:56,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:56,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:56,070 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:56,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 21:43:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:56,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:56,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:43:56,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:44:13,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 21:44:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:13,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:44:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:44:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:44:13,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:13,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:13,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:44:13,281 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:44:13,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 21:44:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:13,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:44:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:13,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:44:13,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:44:30,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 21:44:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:44:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:44:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:44:30,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:30,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:30,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:44:30,361 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:44:30,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 21:44:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:30,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:44:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:30,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:44:30,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:44:47,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-13 21:44:47,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:44:47,021 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:44:47,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:44:47,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:47,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:47,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:44:47,023 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:44:47,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 21:44:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:47,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:44:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:47,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:44:47,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:45:03,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-13 21:45:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:45:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:45:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:45:03,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:03,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:03,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:03,830 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:03,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 21:45:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:04,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:04,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:45:04,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:45:18,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 21:45:18,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:45:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:45:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:45:18,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:18,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:18,556 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:18,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 21:45:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:18,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:19,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:45:19,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:45:35,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 21:45:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:45:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:45:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:45:35,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:35,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:35,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:35,508 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:35,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 21:45:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:35,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:36,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:45:36,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:45:51,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 21:45:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:45:51,467 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:45:51,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:45:51,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:51,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:51,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:51,469 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:51,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 21:45:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:51,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:51,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:45:51,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:46:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:46:08,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-13 21:46:08,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:46:08,071 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:46:08,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:46:08,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:08,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:08,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:08,075 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:08,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 21:46:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:08,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:08,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:46:08,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:46:25,323 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:46:25,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-13 21:46:25,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:25,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:46:25,333 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:46:25,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:46:25,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:25,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:25,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:25,335 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:25,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 21:46:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:25,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:25,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:46:25,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:46:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:46:43,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 21:46:43,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:43,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:46:43,776 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:46:43,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:46:43,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:43,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:43,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:43,779 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:43,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 21:46:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:44,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:44,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:46:44,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:02,839 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:47:02,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 21:47:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:47:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:47:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:47:02,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:02,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:02,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:02,849 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:02,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 21:47:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:03,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:03,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:47:03,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:47:19,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 21:47:19,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:47:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:47:19,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:47:19,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:19,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:19,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:19,979 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:19,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 21:47:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:20,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:20,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:47:20,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:38,904 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:47:38,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 21:47:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:47:38,912 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:47:38,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:47:38,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:38,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:38,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:38,915 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:38,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 21:47:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:39,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:39,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:47:39,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:47:55,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 21:47:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:47:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:47:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:47:55,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:55,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:55,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:55,958 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:55,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 21:47:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:56,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:56,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:47:56,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:48:11,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 21:48:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:48:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:48:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:48:11,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:11,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:11,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:11,834 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:11,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 21:48:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:12,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:12,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:48:12,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:48:27,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 21:48:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:48:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:48:27,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:48:27,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:27,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:27,767 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:27,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 21:48:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:28,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:28,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:48:28,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:48:44,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 21:48:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:48:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:48:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:48:44,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:44,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:48:44,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:48:44,198 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:48:44,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 21:48:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:44,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:48:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:44,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:48:44,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:49:01,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 21:49:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2024-11-13 21:49:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2024-11-13 21:49:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:49:01,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:01,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:49:01,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:49:01,089 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:49:01,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395cf414-fd61-4622-b89f-2cfe53d3cd33/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 21:49:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:01,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:49:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:01,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:49:01,559 INFO L278 TraceCheckSpWp]: Computing forward predicates...