./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:11:58,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:11:58,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:11:58,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:11:58,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:11:58,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:11:58,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:11:58,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:11:58,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:11:58,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:11:58,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:11:58,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:11:58,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:11:58,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:11:58,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:11:58,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:11:58,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:11:58,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:11:58,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:11:58,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:11:58,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:11:58,304 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:11:58,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:11:58,305 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:11:58,305 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:11:58,305 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:11:58,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:11:58,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:58,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:11:58,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:11:58,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:11:58,306 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:11:58,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:11:58,306 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_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 [2024-12-06 00:11:58,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:11:58,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:11:58,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:11:58,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:11:58,526 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:11:58,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-12-06 00:12:01,120 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data/3b66f0fd9/bfad231e43bb489c889d29735447b80c/FLAG226ecb4d7 [2024-12-06 00:12:01,344 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:12:01,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-12-06 00:12:01,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data/3b66f0fd9/bfad231e43bb489c889d29735447b80c/FLAG226ecb4d7 [2024-12-06 00:12:01,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data/3b66f0fd9/bfad231e43bb489c889d29735447b80c [2024-12-06 00:12:01,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:12:01,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:12:01,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:12:01,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:12:01,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:12:01,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca7ee39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01, skipping insertion in model container [2024-12-06 00:12:01,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:12:01,523 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_582a711e-458c-4ac3-ae39-fdecb7369384/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-12-06 00:12:01,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:12:01,566 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:12:01,576 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_582a711e-458c-4ac3-ae39-fdecb7369384/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-12-06 00:12:01,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:12:01,606 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:12:01,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01 WrapperNode [2024-12-06 00:12:01,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:12:01,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:12:01,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:12:01,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:12:01,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,642 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-12-06 00:12:01,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:12:01,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:12:01,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:12:01,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:12:01,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,657 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:12:01,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:12:01,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:12:01,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:12:01,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:01" (1/1) ... [2024-12-06 00:12:01,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:12:01,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:12:01,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:12:01,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:12:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:12:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:12:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:12:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:12:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:12:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:12:01,781 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:12:01,782 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:12:01,963 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 00:12:01,964 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:12:02,090 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:12:02,090 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:12:02,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:12:02 BoogieIcfgContainer [2024-12-06 00:12:02,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:12:02,091 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:12:02,091 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:12:02,098 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:12:02,099 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:12:02" (1/1) ... [2024-12-06 00:12:02,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:12:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:02,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-06 00:12:02,144 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-06 00:12:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:02,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:02,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:12:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:12:02,375 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:12:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:12:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:12:02,526 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:12:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:12:02,591 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:12:02,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:12:02 ImpRootNode [2024-12-06 00:12:02,630 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:12:02,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:12:02,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:12:02,631 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:12:02,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:12:02" (3/4) ... [2024-12-06 00:12:02,634 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:12:02,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:12:02,635 INFO L158 Benchmark]: Toolchain (without parser) took 1265.99ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 93.9MB in the end (delta: 22.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-12-06 00:12:02,636 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:12:02,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.06ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.4MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:12:02,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.12ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:12:02,637 INFO L158 Benchmark]: Boogie Preprocessor took 21.79ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 978.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:12:02,637 INFO L158 Benchmark]: RCFGBuilder took 425.11ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 72.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:12:02,638 INFO L158 Benchmark]: CodeCheck took 539.20ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 93.9MB in the end (delta: -21.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:12:02,638 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:12:02,640 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of bitwiseOr at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; [L84] isInitial = 1 [L85] FCALL initially() [L86] int k_loop; [L87] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-64, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L87] COND TRUE k_loop < 1 [L88] FCALL updateLastVariables() [L89] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=-2147483648] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=-2147483648] [L89] RET updateVariables() [L90] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 [L40] COND TRUE (- (var_1_17 + var_1_17)) > var_1_17 [L41] var_1_11 = var_1_12 [L43] var_1_16 = var_1_19 [L44] EXPR var_1_16 | var_1_19 [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 [L90] RET step() [L91] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L91] RET, EXPR property() [L91] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-2147483648, var_1_17=2, var_1_18=2, var_1_19=-2147483648, var_1_1=-127, var_1_20=-2147483648] [L19] reach_error() VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-2147483648, var_1_17=2, var_1_18=2, var_1_19=-2147483648, var_1_1=-127, var_1_20=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.06ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.4MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.12ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 102.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.79ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 978.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.11ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 72.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 539.20ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 93.9MB in the end (delta: -21.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:12:02,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:12:04,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:12:04,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:12:04,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:12:04,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:12:04,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:12:04,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:12:04,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:12:04,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:12:04,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:12:04,701 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:12:04,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:12:04,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:12:04,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:12:04,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:12:04,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:12:04,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:12:04,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:12:04,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:12:04,702 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:12:04,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:12:04,702 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:12:04,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:12:04,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:12:04,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:12:04,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:12:04,703 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:04,703 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:12:04,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:12:04,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:12:04,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:12:04,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:12:04,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:12:04,703 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:12:04,704 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:04,704 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:12:04,704 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_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 [2024-12-06 00:12:04,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:12:04,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:12:04,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:12:04,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:12:04,942 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:12:04,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-12-06 00:12:07,615 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data/4ae08f35d/2e31fdad5c824165a844ccdbd6ec506f/FLAG16e9ce4eb [2024-12-06 00:12:07,789 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:12:07,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-12-06 00:12:07,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data/4ae08f35d/2e31fdad5c824165a844ccdbd6ec506f/FLAG16e9ce4eb [2024-12-06 00:12:07,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/data/4ae08f35d/2e31fdad5c824165a844ccdbd6ec506f [2024-12-06 00:12:07,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:12:07,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:12:07,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:12:07,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:12:07,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:12:07,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:12:07" (1/1) ... [2024-12-06 00:12:07,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c31a377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:07, skipping insertion in model container [2024-12-06 00:12:07,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:12:07" (1/1) ... [2024-12-06 00:12:07,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:12:07,966 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_582a711e-458c-4ac3-ae39-fdecb7369384/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-12-06 00:12:08,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:12:08,014 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:12:08,025 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_582a711e-458c-4ac3-ae39-fdecb7369384/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-12-06 00:12:08,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:12:08,057 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:12:08,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08 WrapperNode [2024-12-06 00:12:08,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:12:08,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:12:08,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:12:08,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:12:08,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,090 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2024-12-06 00:12:08,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:12:08,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:12:08,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:12:08,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:12:08,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,106 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:12:08,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:12:08,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:12:08,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:12:08,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:12:08,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:12:08,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:12:08,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:12:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:12:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:12:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:12:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:12:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:12:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:12:08,233 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:12:08,235 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:12:08,580 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 00:12:08,580 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:12:08,667 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:12:08,667 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:12:08,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:12:08 BoogieIcfgContainer [2024-12-06 00:12:08,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:12:08,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:12:08,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:12:08,675 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:12:08,675 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:12:08" (1/1) ... [2024-12-06 00:12:08,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:12:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-06 00:12:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-06 00:12:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:08,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:08,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:08,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:08,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:08,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:12:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:09,034 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:09,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:09,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:12,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:12:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:12,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-12-06 00:12:12,833 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-12-06 00:12:12,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:12,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:12,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:12,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:12,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:12,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:12:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:13,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:13,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:13,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:14,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:12:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 129 transitions. [2024-12-06 00:12:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2024-12-06 00:12:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:15,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:15,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:15,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:15,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:15,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:12:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:15,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:15,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:15,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:17,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:12:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 129 transitions. [2024-12-06 00:12:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2024-12-06 00:12:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:17,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:17,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:17,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:17,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:17,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:12:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:17,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:17,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:17,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:18,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:12:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 129 transitions. [2024-12-06 00:12:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2024-12-06 00:12:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:18,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:18,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:18,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:18,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:18,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:12:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:19,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:19,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:19,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:20,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:12:20,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 132 transitions. [2024-12-06 00:12:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2024-12-06 00:12:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:20,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:20,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:20,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:20,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:20,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:12:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:20,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:20,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:20,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:23,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:12:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 132 transitions. [2024-12-06 00:12:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2024-12-06 00:12:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:23,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:23,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:23,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:23,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:23,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:12:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:23,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:23,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:23,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:24,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:12:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 132 transitions. [2024-12-06 00:12:24,875 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2024-12-06 00:12:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:24,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:24,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:24,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:24,878 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:24,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:12:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:25,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:25,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:25,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:27,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:12:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 65 states and 144 transitions. [2024-12-06 00:12:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 144 transitions. [2024-12-06 00:12:28,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:28,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:28,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:28,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:28,116 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:28,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:12:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:28,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:28,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:28,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:29,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:12:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2024-12-06 00:12:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2024-12-06 00:12:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:30,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:30,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:30,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:30,778 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:30,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:12:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:31,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:31,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:31,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:32,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:12:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2024-12-06 00:12:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2024-12-06 00:12:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:32,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:32,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:32,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:32,597 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:32,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:12:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:32,836 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:32,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:12:32,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:12:34,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:12:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:35,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:35,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:35,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:35,575 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:35,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:12:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:35,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:35,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:35,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:37,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:12:37,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:37,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:37,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:37,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:37,174 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:37,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:12:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:37,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:37,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:37,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:38,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:12:38,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:38,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:38,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:38,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:38,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:38,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:38,855 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:38,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:12:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:39,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:39,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:39,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:42,354 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:42,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 00:12:42,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:42,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:42,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:42,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:42,530 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:42,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:12:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:42,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:42,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:42,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:44,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:12:44,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:44,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:44,190 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:44,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:44,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:44,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:44,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:44,193 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:44,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:12:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:44,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:44,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:44,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:45,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:12:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:46,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:46,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:46,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:46,069 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:46,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:12:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:46,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:46,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:46,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:47,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:12:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:47,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:47,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:47,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:47,815 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:47,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:12:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:48,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:48,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:48,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:51,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:12:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:51,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:51,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:51,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:51,716 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:51,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:12:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:51,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:51,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:51,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:53,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:12:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:53,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:53,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:53,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:53,732 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:53,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:12:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:53,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:54,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:54,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:55,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 00:12:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:55,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:55,499 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:55,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:55,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:55,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:55,501 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:55,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:12:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:55,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:55,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:12:55,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:57,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 00:12:57,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:57,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:57,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:57,289 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:57,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:12:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:57,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:57,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:57,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:12:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:12:59,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:12:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:12:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:12:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:12:59,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:59,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:59,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:59,653 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:59,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:12:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:59,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:59,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:12:59,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:01,184 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:01,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 00:13:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:01,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 188 transitions. [2024-12-06 00:13:01,288 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 188 transitions. [2024-12-06 00:13:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:01,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:01,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:01,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:01,290 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:01,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:13:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:01,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:01,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:13:01,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:13:03,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:13:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:04,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:04,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:04,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:04,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:04,489 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:13:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:04,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:04,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:04,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:06,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 00:13:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:06,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:06,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:06,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:06,487 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:06,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:13:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:06,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:06,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:06,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:08,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:13:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:08,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:08,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:08,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:08,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:08,279 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:08,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:13:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:08,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:08,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:13:08,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:09,683 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:13:09,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:13:09,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:09,895 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:09,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:09,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:09,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:09,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:09,897 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:09,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:13:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:10,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:10,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:10,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:12,678 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:12,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 00:13:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:12,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:12,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:12,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:12,796 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:12,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 00:13:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:13,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:13,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:13,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:14,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 00:13:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:14,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:14,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:14,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:14,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:14,430 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:14,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 00:13:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:14,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:14,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:14,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:15,903 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:15,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 00:13:16,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:16,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:16,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:16,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:16,005 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:16,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 00:13:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:16,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:16,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:16,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:17,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 00:13:17,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:17,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:17,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:17,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:17,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:17,579 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:17,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 00:13:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:17,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:17,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:17,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:19,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 00:13:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:19,173 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:19,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:19,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:19,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:19,175 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:19,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 00:13:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:19,404 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:19,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:19,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:20,879 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:20,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 00:13:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:20,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:20,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:20,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:20,911 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:20,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 00:13:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:21,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:21,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:21,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:22,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 00:13:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:22,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:22,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:22,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:22,625 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:22,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 00:13:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:22,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:22,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:22,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:24,503 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:24,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 00:13:24,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:24,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:24,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:24,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:24,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:24,633 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:24,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 00:13:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:24,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:24,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:24,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:26,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 00:13:26,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:26,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:26,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:26,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:26,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:26,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:26,599 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:26,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 00:13:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:26,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:26,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:26,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:28,373 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:28,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 00:13:28,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:28,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:28,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:28,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:28,508 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:28,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 00:13:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:28,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:28,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:28,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:30,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 00:13:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:30,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:30,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:30,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:30,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:30,464 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:30,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 00:13:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:30,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:30,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:13:30,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:31,859 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:13:31,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 00:13:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:32,052 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:32,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:32,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:32,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:32,053 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:32,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 00:13:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:32,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:32,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:32,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:33,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 00:13:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:33,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:33,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:33,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:33,903 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:33,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 00:13:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:34,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:34,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:34,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:35,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 00:13:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:35,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:35,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:35,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:35,630 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:35,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 00:13:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:35,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:35,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:35,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:37,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 00:13:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:37,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:37,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:37,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:37,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:37,410 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:37,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 00:13:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:37,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:37,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:37,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:39,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 00:13:39,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:39,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:39,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:39,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:39,547 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:39,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 00:13:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:39,819 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:39,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:39,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:41,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 00:13:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:41,217 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:41,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:41,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:41,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:41,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:41,218 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:41,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 00:13:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:41,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:41,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:41,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:42,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 00:13:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:42,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:42,882 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:42,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:42,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:42,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:42,884 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:42,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 00:13:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:43,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:43,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:43,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:44,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 00:13:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:44,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:44,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:44,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:44,626 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:44,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 00:13:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:44,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:44,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:44,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:46,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 00:13:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:46,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:46,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:46,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:46,181 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:46,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 00:13:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:46,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:46,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:46,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:47,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 00:13:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:47,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:47,743 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:47,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:47,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:47,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:47,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:47,745 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:47,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 00:13:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:47,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:48,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:13:48,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:13:49,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 00:13:49,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:49,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:49,877 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:49,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:49,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:49,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:49,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:49,880 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:49,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 00:13:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:50,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:50,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:50,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:51,398 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:51,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-12-06 00:13:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:51,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:51,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:51,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:51,517 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:51,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 00:13:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:51,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:51,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:51,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:52,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 00:13:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:53,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:53,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:53,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:53,089 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:53,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 00:13:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:53,316 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:53,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:53,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:54,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 00:13:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:54,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:54,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:54,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:54,765 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:54,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 00:13:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:54,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:55,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:55,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:56,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 00:13:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:56,575 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:56,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:56,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:56,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:56,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:56,577 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:56,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 00:13:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:56,800 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:56,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:13:56,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:13:58,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 00:13:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:13:58,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:13:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:13:58,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:13:58,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:13:58,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:13:58,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:13:58,321 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:13:58,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 00:13:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:58,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:13:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:13:58,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:13:58,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:00,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 00:14:00,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:00,350 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:00,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:00,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:00,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:00,352 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:00,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 00:14:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:00,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:00,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:00,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:01,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 00:14:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:02,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:02,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:02,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:02,018 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:02,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 00:14:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:02,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:02,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:14:02,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:14:04,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 00:14:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:04,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:04,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:04,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:04,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:04,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:04,163 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:04,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 00:14:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:04,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:04,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:04,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:05,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 00:14:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:05,752 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:05,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:05,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:05,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:05,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:05,754 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:05,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 00:14:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:05,988 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:06,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:06,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:07,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 00:14:07,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:07,435 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:07,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:07,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:07,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:07,437 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:07,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 00:14:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:07,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:07,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:07,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:09,046 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:09,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 00:14:09,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:09,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:09,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:09,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:09,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:09,150 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:09,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 00:14:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:09,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:09,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:09,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:11,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-12-06 00:14:11,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:11,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:11,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:11,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:11,737 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:11,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 00:14:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:11,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:12,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:12,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:13,358 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:13,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 00:14:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:13,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:13,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:13,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:13,465 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:13,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 00:14:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:13,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:13,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:13,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:14,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 00:14:15,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:15,014 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:15,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:15,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:15,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:15,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:15,016 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:15,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 00:14:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:15,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:15,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:15,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:19,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 00:14:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:20,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:20,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:20,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:20,100 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:20,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 00:14:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:20,339 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:20,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:20,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:21,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 00:14:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:21,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:21,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:21,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:22,000 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:22,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 00:14:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:22,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:22,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:22,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:23,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 00:14:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:23,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:23,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:23,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:23,709 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:23,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 00:14:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:23,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:23,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:23,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:25,293 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:25,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 00:14:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:25,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:25,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:25,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:25,415 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:25,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 00:14:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:25,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:25,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:25,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:27,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 00:14:27,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:27,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:27,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:27,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:27,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:27,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:27,332 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:27,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 00:14:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:27,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:27,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:27,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:29,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 00:14:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:29,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:29,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:29,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:29,164 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:29,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 00:14:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:29,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:29,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:29,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:30,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 00:14:30,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:30,895 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:30,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:30,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:30,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:30,897 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:30,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 00:14:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:31,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:31,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:31,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:32,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-12-06 00:14:32,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:32,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:32,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:32,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:32,678 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:32,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 00:14:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:32,912 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:32,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:32,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:34,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 00:14:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:34,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:34,355 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:34,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:34,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:34,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:34,356 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:34,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 00:14:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:34,587 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:34,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:34,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:36,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 00:14:36,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:36,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:36,417 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:36,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:36,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:36,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:36,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:36,418 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:36,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 00:14:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:36,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:36,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:36,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:37,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 00:14:38,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:38,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:38,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:38,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:38,092 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:38,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 00:14:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:38,322 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:38,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:38,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:39,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 00:14:39,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:39,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:39,779 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:39,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:39,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:39,781 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:39,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 00:14:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:40,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:40,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:40,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:41,803 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:41,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 00:14:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:41,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:41,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:41,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:41,918 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:41,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 00:14:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:42,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:42,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:42,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:43,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 00:14:43,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:43,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:43,663 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:43,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:43,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:43,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:43,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:43,665 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:43,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 00:14:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:43,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:43,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:43,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:45,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 00:14:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:45,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:45,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:45,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:45,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:45,388 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:45,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 00:14:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:45,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:45,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:45,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:47,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 00:14:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:47,337 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:47,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:47,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:47,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:47,339 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:47,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 00:14:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:47,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:47,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:47,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:48,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-12-06 00:14:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:48,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:48,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:48,975 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:48,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 00:14:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:49,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:49,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:49,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:50,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 00:14:50,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:50,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:50,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:50,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:50,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:50,923 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:50,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 00:14:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:51,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:51,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:51,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:52,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 00:14:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:52,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:52,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:52,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:52,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:52,730 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:52,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 00:14:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:52,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:52,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:14:52,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:54,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 00:14:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:54,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:54,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:54,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:54,898 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:54,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 00:14:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:55,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:55,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:55,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:56,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 00:14:56,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:56,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:56,777 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:56,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:56,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:56,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:56,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:56,779 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:56,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 00:14:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:57,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:57,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:57,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:14:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:14:58,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-12-06 00:14:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:14:58,750 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:14:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:14:58,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:58,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:58,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:58,751 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:58,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 00:14:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:58,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:59,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:14:59,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:00,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 00:15:00,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:00,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:00,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:00,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:00,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:00,434 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:00,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 00:15:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:00,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:00,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:00,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:01,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-06 00:15:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:02,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:02,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:02,100 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:02,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 00:15:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:02,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:02,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:02,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:03,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 00:15:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:03,777 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:03,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:03,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:03,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:03,779 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:03,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 00:15:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:04,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:04,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:04,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:05,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 00:15:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:05,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:05,375 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:05,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:05,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:05,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:05,377 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:05,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 00:15:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:05,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:05,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:05,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:06,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 00:15:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:07,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:07,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:07,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:07,119 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:07,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 00:15:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:07,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:07,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:07,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:08,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 00:15:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:08,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:08,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:08,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:08,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:08,714 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:08,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 00:15:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:09,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:09,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:09,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:10,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 00:15:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:10,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:10,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:10,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:10,722 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:10,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 00:15:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:10,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:10,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:10,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:12,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-06 00:15:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:12,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:12,427 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:12,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:12,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:12,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:12,429 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:12,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 00:15:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:12,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:12,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:12,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:13,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 00:15:14,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:14,013 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:14,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:14,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:14,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:14,015 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:14,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 00:15:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:14,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:14,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:14,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:15,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 00:15:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:15,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:15,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:15,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:15,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:15,788 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:15,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 00:15:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:16,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:16,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:16,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:17,411 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:17,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-12-06 00:15:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:17,440 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:17,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:17,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:17,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:17,442 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:17,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 00:15:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:17,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:17,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:17,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:19,183 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:19,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 00:15:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:19,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:19,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:19,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:19,209 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:19,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 00:15:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:19,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:19,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:19,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:22,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-12-06 00:15:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:22,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:22,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:22,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:22,995 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:22,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 00:15:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:23,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:23,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:23,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:24,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 00:15:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:25,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:25,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:25,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:25,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:25,047 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:25,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 00:15:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:25,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:25,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:25,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:26,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-12-06 00:15:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:27,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:27,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:27,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:27,064 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:27,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 00:15:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:27,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:27,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:27,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:28,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 00:15:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:28,732 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:28,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:28,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:28,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:28,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:28,733 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:28,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 00:15:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:28,958 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:29,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:29,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:30,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-06 00:15:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:30,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:30,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:30,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:30,504 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:30,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 00:15:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:30,736 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:30,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:30,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:33,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:33,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 00:15:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:33,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:33,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:33,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:33,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:33,170 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:33,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 00:15:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:33,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:33,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:33,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:34,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 00:15:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:35,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:35,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:35,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:35,021 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:35,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 00:15:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:35,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:35,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:35,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:36,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 00:15:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:36,520 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:36,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:36,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:36,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:36,522 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:36,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 00:15:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:36,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:36,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:36,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:38,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 00:15:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:38,265 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:38,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:38,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:38,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:38,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:38,267 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:38,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 00:15:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:38,496 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:38,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:38,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:40,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 00:15:40,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:40,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:40,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:40,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:40,047 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:40,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 00:15:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:40,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:40,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:15:40,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:15:41,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-06 00:15:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:41,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:41,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:41,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:41,740 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:41,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 00:15:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:41,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:42,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:42,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:43,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-06 00:15:43,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:43,416 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:43,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:43,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:43,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:43,418 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:43,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 00:15:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:43,647 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:43,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:43,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:45,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 00:15:45,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:45,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:45,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:45,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:45,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:45,061 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:45,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 00:15:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:45,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:45,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:45,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:46,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 00:15:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:46,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:46,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:46,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:46,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:46,707 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:46,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 00:15:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:46,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:47,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:47,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:48,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 00:15:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:48,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:48,534 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:48,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:48,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:48,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:48,536 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:48,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 00:15:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:48,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:48,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:48,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:51,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-06 00:15:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:51,448 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:51,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:51,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:51,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:51,450 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:51,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 00:15:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:51,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:51,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:51,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:53,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-06 00:15:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:53,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:53,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:53,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:53,610 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:53,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 00:15:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:53,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:53,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:15:53,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:55,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-06 00:15:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:55,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:55,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:55,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:55,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:55,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:55,301 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:55,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 00:15:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:55,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:55,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:55,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:56,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-06 00:15:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:57,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:57,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:57,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:57,054 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:57,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 00:15:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:57,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:57,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:57,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:15:58,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 00:15:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:15:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:15:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:15:58,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:58,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:58,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:58,796 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:58,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 00:15:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:59,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:59,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:15:59,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:00,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-06 00:16:00,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:00,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:16:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:16:00,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:00,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:00,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:00,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:00,526 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:00,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 00:16:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:00,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:00,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:00,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:02,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-06 00:16:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:16:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:16:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:02,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:02,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:02,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:02,575 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:02,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 00:16:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:02,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:02,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:02,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:04,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 00:16:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:04,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:16:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:16:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:04,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:04,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:04,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:04,341 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:04,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 00:16:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:04,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:04,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:04,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:06,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-06 00:16:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:06,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 83 states and 200 transitions. [2024-12-06 00:16:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 200 transitions. [2024-12-06 00:16:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:06,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:06,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:06,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:06,219 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:06,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 00:16:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:06,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:06,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:16:06,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:16:07,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 00:16:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:09,178 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:09,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:09,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:09,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:09,180 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:09,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 00:16:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:09,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:09,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:09,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:10,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-06 00:16:10,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:10,824 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:10,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:10,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:10,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:10,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:10,826 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:10,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 00:16:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:11,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:11,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:11,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:12,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-06 00:16:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:12,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:12,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:12,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:12,598 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:12,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 00:16:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:12,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:12,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:12,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:14,231 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:14,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-12-06 00:16:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:14,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:14,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:14,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:14,340 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:14,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 00:16:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:14,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:14,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:14,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:16,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-12-06 00:16:16,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:16,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:16,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:16,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:16,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:16,425 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:16,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 00:16:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:16,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:16,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:16,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:17,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-06 00:16:18,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:18,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:18,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:18,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:18,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:18,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:18,056 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:18,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 00:16:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:18,305 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:18,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:18,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:19,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-12-06 00:16:19,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:19,707 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:19,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:19,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:19,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:19,709 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:19,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 00:16:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:19,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:19,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:19,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:21,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-06 00:16:21,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:21,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:21,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:21,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:21,841 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:21,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 00:16:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:22,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:22,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:16:22,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:16:23,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-06 00:16:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:24,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:24,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:24,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:24,136 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:24,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 00:16:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:24,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:24,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:24,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:25,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-06 00:16:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:25,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:25,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:25,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:25,819 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:25,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 00:16:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:26,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:26,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:26,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:27,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-06 00:16:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:27,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:27,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:27,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:27,601 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:27,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 00:16:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:27,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:27,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:27,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:29,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 00:16:29,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:29,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:29,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:29,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:29,638 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:29,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 00:16:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:29,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:29,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:29,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:31,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 00:16:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:31,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:31,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:31,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:31,440 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:31,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 00:16:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:31,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:31,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:31,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:33,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-12-06 00:16:33,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:33,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:33,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:33,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:33,219 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:33,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 00:16:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:33,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:33,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:33,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:34,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-06 00:16:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:34,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:34,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:34,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:34,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:34,846 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:34,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 00:16:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:35,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:35,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:35,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:36,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 00:16:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:36,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:36,777 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:36,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:36,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:36,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:36,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:36,779 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:36,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 00:16:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:37,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:37,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:37,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:38,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-06 00:16:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:38,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:38,954 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:38,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:38,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:38,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:38,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:38,956 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:38,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 00:16:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:39,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:39,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:39,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:40,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-06 00:16:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:40,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:40,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:40,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:40,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:40,988 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:40,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 00:16:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:41,309 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:41,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:41,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:43,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-12-06 00:16:43,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:43,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:43,597 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:43,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:43,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:43,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:43,599 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:43,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 00:16:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:43,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:43,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:43,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:45,700 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:45,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 00:16:45,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:45,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:45,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:45,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:45,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:45,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:45,851 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:45,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 00:16:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:46,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:46,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:46,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:47,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-06 00:16:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:47,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:47,922 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:47,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:47,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:47,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:47,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:47,924 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:47,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 00:16:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:48,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:48,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:48,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:49,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-06 00:16:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:49,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:49,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:49,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:49,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:49,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:49,983 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:49,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 00:16:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:50,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:50,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:50,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:53,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-12-06 00:16:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:53,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:53,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:53,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:53,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:53,344 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:53,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 00:16:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:53,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:53,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:16:53,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:55,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-06 00:16:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:55,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:55,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:55,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:55,285 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:55,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-06 00:16:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:55,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:55,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:55,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:56,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-06 00:16:57,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:57,137 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:57,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:57,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:57,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:57,139 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:57,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-06 00:16:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:57,394 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:57,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:57,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:16:58,701 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:16:58,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-12-06 00:16:58,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:16:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:16:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:16:58,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:58,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:58,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:58,809 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:58,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-06 00:16:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:59,026 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:59,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:16:59,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:00,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-06 00:17:00,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:00,458 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:00,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:00,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:00,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:00,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:00,460 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:00,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-06 00:17:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:00,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:00,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:17:00,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:17:02,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-12-06 00:17:02,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:02,722 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:02,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:02,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:02,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:02,724 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:02,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-06 00:17:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:02,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:03,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:03,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:04,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-12-06 00:17:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:04,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:04,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:04,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:04,650 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:04,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-06 00:17:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:04,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:04,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:04,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:06,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-12-06 00:17:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:06,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:06,760 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:06,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:06,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:06,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:06,762 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:06,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-06 00:17:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:07,026 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:07,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:07,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:08,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-12-06 00:17:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:08,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:08,721 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:08,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:08,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:08,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:08,723 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:08,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-06 00:17:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:08,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:09,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:17:09,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:17:10,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-12-06 00:17:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:10,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:10,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:10,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:10,837 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:10,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-06 00:17:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:11,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:11,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:17:11,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:12,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-12-06 00:17:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:12,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:12,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:12,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:12,619 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:12,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-06 00:17:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:12,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:12,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:12,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:14,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-12-06 00:17:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:14,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:14,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:14,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:14,427 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:14,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-06 00:17:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:14,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:14,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:14,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:16,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-12-06 00:17:16,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:16,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:16,305 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:16,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:16,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:16,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:16,306 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:16,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-06 00:17:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:16,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:16,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:17:16,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:18,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-12-06 00:17:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:18,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:18,118 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:18,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:18,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:18,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:18,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:18,120 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:18,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-06 00:17:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:18,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:18,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:17:18,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:19,836 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:19,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-12-06 00:17:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:19,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:19,950 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:19,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:19,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:19,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:19,952 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:19,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-06 00:17:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:20,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:20,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:17:20,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:17:21,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-06 00:17:21,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:21,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:21,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:21,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:21,812 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:21,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-06 00:17:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:22,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:22,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:22,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:23,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-06 00:17:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:23,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:23,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:23,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:23,691 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:23,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-06 00:17:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:23,940 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:23,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:17:23,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:25,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-06 00:17:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:25,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:25,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:25,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:25,802 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:25,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-06 00:17:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:26,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:26,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:26,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:27,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-12-06 00:17:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:27,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:27,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:27,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:27,544 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:27,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-12-06 00:17:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:27,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:27,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:27,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:29,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Forceful destruction successful, exit code 0 [2024-12-06 00:17:29,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:29,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:29,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:29,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:29,474 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:29,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-12-06 00:17:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:29,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:29,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:29,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:31,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-12-06 00:17:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:31,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:31,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:31,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:31,342 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:31,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-12-06 00:17:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:31,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:31,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:31,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:32,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-12-06 00:17:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:33,122 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:33,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:33,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:33,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:33,124 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:33,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-12-06 00:17:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:33,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:33,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:17:33,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:34,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-12-06 00:17:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:34,868 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:34,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:34,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:34,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:34,870 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:34,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-12-06 00:17:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:35,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:35,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:17:35,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:17:36,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-12-06 00:17:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:36,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:36,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:36,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:36,751 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:36,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-12-06 00:17:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:36,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:37,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:37,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:38,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-12-06 00:17:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:38,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:38,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:38,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:38,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:38,555 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:38,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-12-06 00:17:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:38,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:38,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:38,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:40,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-12-06 00:17:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:40,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:40,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:40,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:40,409 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:40,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-12-06 00:17:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:40,647 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:40,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:40,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:42,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-12-06 00:17:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:42,245 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:42,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:42,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:42,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:42,247 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:42,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-12-06 00:17:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:42,475 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:42,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:42,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:43,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-12-06 00:17:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:44,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:44,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:44,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:44,055 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:44,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-12-06 00:17:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:44,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:44,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:17:44,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:45,723 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:45,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-12-06 00:17:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:45,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:45,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:45,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:45,841 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:45,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-12-06 00:17:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:46,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:46,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:17:46,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:47,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-12-06 00:17:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:47,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:47,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:47,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:47,484 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:47,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-12-06 00:17:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:47,734 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:47,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:47,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:49,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-12-06 00:17:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:49,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:49,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:49,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:49,561 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:49,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-12-06 00:17:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:49,800 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:49,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:49,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:51,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-12-06 00:17:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:51,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:51,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:51,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:51,318 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:51,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-12-06 00:17:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:51,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:51,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:51,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:53,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-12-06 00:17:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:53,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:53,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:53,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:53,809 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:53,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-12-06 00:17:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:54,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:54,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:17:54,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:17:55,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-12-06 00:17:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:55,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:55,695 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:55,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:55,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:55,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:55,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:55,697 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:55,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-12-06 00:17:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:55,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:55,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:55,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:57,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-12-06 00:17:57,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:57,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:57,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:57,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:57,455 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:57,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-12-06 00:17:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:57,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:57,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:17:57,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:17:59,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-12-06 00:17:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:17:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:17:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:17:59,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:59,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:59,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:59,147 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:59,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-12-06 00:17:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:59,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:59,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:17:59,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:01,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-12-06 00:18:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:01,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:01,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:01,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:01,600 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:01,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-12-06 00:18:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:01,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:01,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:01,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:04,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-12-06 00:18:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:04,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:04,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:04,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:04,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:04,179 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:04,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-12-06 00:18:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:04,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:04,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:18:04,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:05,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-12-06 00:18:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:06,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:06,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:06,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:06,049 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:06,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-12-06 00:18:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:06,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:06,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:06,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:07,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-12-06 00:18:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:07,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:07,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:07,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:07,628 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:07,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-12-06 00:18:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:07,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:07,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:18:07,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:18:09,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Forceful destruction successful, exit code 0 [2024-12-06 00:18:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:09,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:09,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:09,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:09,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:09,744 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:09,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-12-06 00:18:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:09,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:10,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:10,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:11,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-12-06 00:18:11,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:11,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:11,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:11,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:11,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:11,376 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:11,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-12-06 00:18:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:11,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:11,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:18:11,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:13,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-12-06 00:18:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:13,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:13,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:13,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:13,395 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:13,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-12-06 00:18:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:13,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:13,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:18:13,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:15,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-12-06 00:18:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:15,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:15,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:15,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:15,650 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:15,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-12-06 00:18:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:15,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:15,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:18:15,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:18,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-12-06 00:18:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:18,155 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:18,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:18,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:18,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:18,156 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:18,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-12-06 00:18:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:18,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:18,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:18,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:19,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-12-06 00:18:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:20,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:20,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:20,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:20,050 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:20,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-12-06 00:18:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:20,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:20,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:18:20,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:21,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-12-06 00:18:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:21,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:21,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:21,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:21,761 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:21,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-12-06 00:18:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:22,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:22,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:22,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:23,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-12-06 00:18:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:23,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:23,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:23,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:23,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:23,499 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:23,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-12-06 00:18:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:23,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:23,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:23,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:25,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-12-06 00:18:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:25,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:25,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:25,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:25,177 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:25,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-12-06 00:18:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:25,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:25,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:25,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:26,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-12-06 00:18:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:26,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:26,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:26,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:26,954 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:26,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-12-06 00:18:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:27,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:27,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:27,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:28,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-12-06 00:18:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:28,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:28,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:28,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:28,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:28,576 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:28,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-12-06 00:18:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:28,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:28,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:28,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:30,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-12-06 00:18:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:30,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 217 transitions. [2024-12-06 00:18:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2024-12-06 00:18:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:30,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:30,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:30,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:30,226 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:30,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-12-06 00:18:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:30,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:30,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:18:30,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:18:34,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-12-06 00:18:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:34,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:34,963 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:34,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:34,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:34,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:34,965 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:34,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-12-06 00:18:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:35,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:35,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:35,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:36,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-12-06 00:18:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:36,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:36,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:36,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:36,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:36,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:36,770 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:36,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-12-06 00:18:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:37,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:37,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:37,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:38,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-12-06 00:18:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:38,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:38,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:38,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:38,397 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:38,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-12-06 00:18:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:38,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:38,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:38,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:40,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-12-06 00:18:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:40,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:40,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:40,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:40,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:40,071 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:40,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-12-06 00:18:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:40,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:40,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:40,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:41,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-12-06 00:18:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:41,859 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:41,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:41,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:41,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:41,861 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:41,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-12-06 00:18:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:42,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:42,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:18:42,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:43,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:43,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-12-06 00:18:44,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:44,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:44,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:44,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:44,020 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:44,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-12-06 00:18:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:44,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:44,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:44,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:45,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-12-06 00:18:45,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:45,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:45,793 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:45,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:45,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:45,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:45,795 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:45,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-12-06 00:18:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:46,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:46,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:18:46,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:47,442 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:47,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-12-06 00:18:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:47,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:47,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:47,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:47,471 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:47,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-12-06 00:18:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:47,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:47,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:47,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:49,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-12-06 00:18:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:49,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:49,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:49,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:49,580 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:49,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-12-06 00:18:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:49,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:49,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:49,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:51,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-12-06 00:18:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:51,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:51,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:51,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:51,427 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:51,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-12-06 00:18:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:51,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:51,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:51,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:53,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-12-06 00:18:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:53,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:53,133 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:53,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:53,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:53,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:53,134 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:53,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-12-06 00:18:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:53,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:53,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:53,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:54,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:54,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-12-06 00:18:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:54,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:54,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:54,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:54,964 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:54,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-12-06 00:18:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:55,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:55,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:55,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:56,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-12-06 00:18:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:56,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:56,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:56,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:56,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:56,714 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:56,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-12-06 00:18:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:56,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:56,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:18:56,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:18:58,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-12-06 00:18:58,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:18:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:18:58,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:18:58,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:58,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:58,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:58,433 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:58,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-12-06 00:18:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:58,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:58,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:18:58,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:00,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-12-06 00:19:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:00,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:00,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:00,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:00,616 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:00,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-12-06 00:19:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:00,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:00,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:00,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:02,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-12-06 00:19:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:02,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:02,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:02,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:02,410 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:02,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-12-06 00:19:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:02,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:02,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:02,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:03,989 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:03,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-12-06 00:19:04,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:04,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:04,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:04,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:04,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:04,116 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:04,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-12-06 00:19:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:04,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:04,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:04,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:05,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-12-06 00:19:05,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:05,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:05,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:05,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:05,886 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:05,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-12-06 00:19:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:06,122 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:06,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:06,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:07,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-12-06 00:19:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:07,586 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:07,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:07,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:07,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:07,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:07,588 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:07,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-12-06 00:19:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:07,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:07,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:07,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:09,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-12-06 00:19:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:09,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:09,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:09,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:09,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:09,371 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:09,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-12-06 00:19:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:09,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:09,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:09,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:11,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Forceful destruction successful, exit code 0 [2024-12-06 00:19:11,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:11,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:11,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:11,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:11,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:11,180 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:11,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-12-06 00:19:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:11,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:11,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:11,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:12,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-12-06 00:19:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:12,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:12,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:12,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:12,914 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:12,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-12-06 00:19:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:13,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:13,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:13,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:14,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-12-06 00:19:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:14,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:14,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:14,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:14,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:14,655 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:14,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-12-06 00:19:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:14,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:14,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:14,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:16,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-12-06 00:19:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:16,432 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:16,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:16,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:16,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:16,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:16,434 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:16,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-12-06 00:19:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:16,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:16,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:16,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:18,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-12-06 00:19:18,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:18,233 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:18,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:18,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:18,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:18,235 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:18,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-12-06 00:19:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:18,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:18,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:19:18,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:19:20,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-12-06 00:19:20,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:20,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:20,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:20,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:20,930 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:20,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-12-06 00:19:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:21,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:21,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:21,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:24,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-12-06 00:19:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:24,212 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:24,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:24,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:24,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:24,214 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:24,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-12-06 00:19:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:24,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:24,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:24,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:25,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-12-06 00:19:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:26,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:26,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:26,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:26,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:26,086 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:26,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-12-06 00:19:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:26,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:26,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:26,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:27,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-12-06 00:19:27,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:27,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:27,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:27,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:27,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:27,692 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:27,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-12-06 00:19:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:27,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:27,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:27,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:29,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-12-06 00:19:29,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:29,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:29,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:29,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:29,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:29,411 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:29,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-12-06 00:19:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:29,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:29,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:29,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:31,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-12-06 00:19:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:31,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:31,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:31,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:31,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:31,532 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:31,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-12-06 00:19:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:31,773 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:31,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:19:31,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:19:33,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-12-06 00:19:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:33,956 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:33,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:33,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:33,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:33,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:33,958 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:33,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-12-06 00:19:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:34,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:34,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:34,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:35,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-12-06 00:19:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:35,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:35,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:35,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:35,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:35,632 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:35,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-12-06 00:19:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:35,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:35,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:35,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:37,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-12-06 00:19:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:37,920 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:37,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:37,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:37,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:37,922 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:37,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-12-06 00:19:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:38,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:38,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:38,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:39,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-12-06 00:19:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:40,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:40,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:40,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:40,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:40,072 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:40,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-12-06 00:19:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:40,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:40,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:40,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:41,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-12-06 00:19:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:41,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:41,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:41,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:41,823 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:41,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-12-06 00:19:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:42,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:42,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:42,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:44,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-12-06 00:19:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:44,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:44,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:44,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:44,624 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:44,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-12-06 00:19:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:44,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:44,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:44,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:46,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-12-06 00:19:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:46,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:46,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:46,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:46,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:46,259 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:46,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-12-06 00:19:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:46,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:46,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:46,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:48,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-12-06 00:19:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:48,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:48,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:48,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:48,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:48,113 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:48,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-12-06 00:19:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:48,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:48,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:48,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:50,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:50,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-12-06 00:19:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:50,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:50,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:50,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:50,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:50,142 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:50,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-12-06 00:19:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:50,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:50,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:50,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:51,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-12-06 00:19:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:51,878 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:51,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:51,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:51,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:51,880 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:51,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-12-06 00:19:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:52,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:52,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:19:52,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:53,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-12-06 00:19:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:53,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:53,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:53,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:53,717 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:53,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-12-06 00:19:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:53,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:53,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:19:53,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:19:55,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-12-06 00:19:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:55,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:55,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:55,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:55,852 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:55,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-12-06 00:19:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:56,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:56,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:56,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:57,344 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:57,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-12-06 00:19:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:57,462 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:57,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:57,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:57,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:57,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:57,464 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:57,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-12-06 00:19:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:57,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:57,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:57,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:19:59,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-12-06 00:19:59,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:59,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:19:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:19:59,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:19:59,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:59,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:59,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:59,158 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:59,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-12-06 00:19:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:59,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:59,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:19:59,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:00,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-12-06 00:20:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:00,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:00,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:00,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:00,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:00,857 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:00,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-12-06 00:20:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:01,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:01,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:01,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:02,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-12-06 00:20:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:02,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:02,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:02,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:02,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:02,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:02,493 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:02,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-12-06 00:20:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:02,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:02,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:02,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:04,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-12-06 00:20:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:04,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:04,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:04,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:04,251 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:04,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-12-06 00:20:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:04,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:04,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:04,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:06,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-12-06 00:20:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:06,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:06,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:06,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:06,135 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:06,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-12-06 00:20:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:06,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:06,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:06,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:08,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-12-06 00:20:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:08,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:08,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:08,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:08,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:08,218 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:08,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-12-06 00:20:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:08,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:08,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:08,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:09,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-12-06 00:20:09,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:09,836 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:09,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:09,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:09,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:09,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:09,837 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:09,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-12-06 00:20:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:10,072 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:10,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:10,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:11,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-12-06 00:20:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:11,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:11,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:11,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:11,430 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:11,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-12-06 00:20:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:11,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:11,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:11,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:13,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-12-06 00:20:13,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:13,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:13,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:13,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:13,361 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:13,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-12-06 00:20:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:13,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:13,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:13,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:15,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:15,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-12-06 00:20:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:15,514 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:15,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:15,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:15,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:15,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:15,516 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:15,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-12-06 00:20:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:15,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:15,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:15,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:17,302 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:17,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-12-06 00:20:17,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:17,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:17,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:17,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:17,456 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:17,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-12-06 00:20:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:17,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:17,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:17,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:19,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Forceful destruction successful, exit code 0 [2024-12-06 00:20:19,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:19,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:19,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:19,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:19,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:19,201 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:19,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-12-06 00:20:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:19,441 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:19,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:19,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:21,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-12-06 00:20:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:21,196 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:21,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:21,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:21,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:21,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:21,198 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:21,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-12-06 00:20:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:21,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:21,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:21,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:22,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-12-06 00:20:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:22,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:22,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:22,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:22,915 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:22,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-12-06 00:20:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:23,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:23,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:23,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:24,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-12-06 00:20:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:24,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:24,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:24,471 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:24,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-12-06 00:20:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:24,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:24,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:24,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:26,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-12-06 00:20:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:26,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:26,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:26,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:26,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:26,316 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:26,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-12-06 00:20:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:26,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:26,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:26,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:29,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-12-06 00:20:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:29,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:29,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:29,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:29,158 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:29,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-12-06 00:20:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:29,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:29,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:29,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:30,736 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:30,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-12-06 00:20:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:30,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:30,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:30,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:30,843 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:30,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-12-06 00:20:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:31,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:31,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:31,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:32,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-12-06 00:20:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:32,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:32,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:32,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:32,632 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:32,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-12-06 00:20:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:32,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:32,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:20:32,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:20:35,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-12-06 00:20:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:35,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:35,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:35,382 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:35,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-12-06 00:20:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:35,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:35,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:35,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:37,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-12-06 00:20:37,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:37,106 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:37,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:37,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:37,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:37,108 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:37,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-12-06 00:20:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:37,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:37,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:37,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:38,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-12-06 00:20:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:38,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:38,953 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:38,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:38,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:38,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:38,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:38,955 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:38,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-12-06 00:20:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:39,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:39,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:39,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:40,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-12-06 00:20:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:40,788 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:40,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:40,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:40,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:40,789 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:40,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-12-06 00:20:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:41,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:41,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:41,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:42,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-12-06 00:20:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:42,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:42,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:42,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:42,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:42,467 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:42,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-12-06 00:20:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:42,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:42,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:42,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:44,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-12-06 00:20:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:44,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:44,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:44,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:44,163 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:44,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-12-06 00:20:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:44,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:44,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:44,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:45,825 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:45,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-12-06 00:20:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:45,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:45,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:45,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:45,938 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:45,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-12-06 00:20:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:46,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:46,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:46,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:47,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-12-06 00:20:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:47,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:47,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:47,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:47,595 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:47,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-12-06 00:20:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:47,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:47,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:47,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:49,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-12-06 00:20:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:49,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:49,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:49,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:49,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:49,418 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:49,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-12-06 00:20:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:49,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:49,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:49,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:51,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-12-06 00:20:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:51,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:51,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:51,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:51,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:51,311 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:51,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-12-06 00:20:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:51,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:51,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:51,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:52,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-12-06 00:20:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:53,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:53,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:53,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:53,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:53,064 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:53,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-12-06 00:20:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:53,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:53,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:20:53,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:55,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-12-06 00:20:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:55,568 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:55,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:55,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:55,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:55,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:55,570 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:55,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-12-06 00:20:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:55,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:55,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:55,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:20:57,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-12-06 00:20:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:57,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:57,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:57,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:57,287 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:57,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-12-06 00:20:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:57,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:57,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:20:57,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:20:59,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-12-06 00:20:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:20:59,282 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:20:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:20:59,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:59,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:59,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:59,284 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:59,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-12-06 00:20:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:59,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:59,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:20:59,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:01,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-12-06 00:21:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:01,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:01,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:01,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:01,791 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:01,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-12-06 00:21:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:02,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:02,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:02,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:03,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-12-06 00:21:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:03,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:03,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:03,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:03,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:03,982 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:03,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-12-06 00:21:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:04,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:04,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:04,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:05,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-12-06 00:21:05,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:05,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:05,836 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:05,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:05,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:05,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:05,837 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:05,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-12-06 00:21:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:06,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:06,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:06,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:07,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-12-06 00:21:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:07,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:07,647 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:07,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:07,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:07,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:07,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:07,648 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:07,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-12-06 00:21:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:07,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:07,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:07,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:09,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-12-06 00:21:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:09,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:09,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:09,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:09,424 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:09,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-12-06 00:21:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:09,653 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:09,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:09,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:11,068 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:11,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-12-06 00:21:11,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:11,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:11,187 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:11,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:11,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:11,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:11,189 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:11,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-12-06 00:21:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:11,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:11,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:11,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:12,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-12-06 00:21:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:12,942 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:12,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:12,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:12,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:12,944 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:12,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-12-06 00:21:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:13,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:13,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:13,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:14,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-12-06 00:21:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:14,706 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:14,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:14,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:14,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:14,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:14,708 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:14,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-12-06 00:21:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:14,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:14,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:14,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:16,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-12-06 00:21:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:16,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:16,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:16,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:16,667 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:16,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-12-06 00:21:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:16,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:16,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:16,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:18,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Forceful destruction successful, exit code 0 [2024-12-06 00:21:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:18,518 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:18,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:18,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:18,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:18,520 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:18,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-12-06 00:21:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:18,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:18,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:21:18,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:21:20,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Forceful destruction successful, exit code 0 [2024-12-06 00:21:20,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:20,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:20,271 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:20,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:20,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:20,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:20,272 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:20,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-12-06 00:21:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:20,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:20,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:20,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:21,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-12-06 00:21:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:21,954 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:21,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:21,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:21,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:21,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:21,955 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:21,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-12-06 00:21:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:22,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:22,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:22,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:23,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-12-06 00:21:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:23,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:23,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:23,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:23,702 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:23,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-12-06 00:21:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:23,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:23,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:23,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:25,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-12-06 00:21:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:25,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:25,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:25,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:25,371 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:25,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-12-06 00:21:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:25,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:25,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:21:25,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:21:27,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-12-06 00:21:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:27,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:27,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:27,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:27,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:27,448 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:27,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-12-06 00:21:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:27,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:27,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:27,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:28,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-12-06 00:21:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:29,071 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:29,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:29,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:29,073 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:29,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-12-06 00:21:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:29,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:29,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:29,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:30,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-12-06 00:21:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:30,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:30,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:30,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:30,756 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:30,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-12-06 00:21:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:30,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:31,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:31,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:32,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Forceful destruction successful, exit code 0 [2024-12-06 00:21:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:32,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:32,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:32,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:32,917 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:32,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-12-06 00:21:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:33,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:33,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:33,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:34,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-12-06 00:21:34,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:34,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:34,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:34,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:34,698 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:34,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-12-06 00:21:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:34,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:34,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:34,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:36,216 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:36,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-12-06 00:21:36,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:36,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:36,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:36,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:36,324 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:36,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-12-06 00:21:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:36,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:36,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:36,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:37,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Forceful destruction successful, exit code 0 [2024-12-06 00:21:37,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:37,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:37,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:37,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:37,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:37,986 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:37,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-12-06 00:21:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:38,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:38,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:21:38,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:21:39,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-12-06 00:21:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:39,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:39,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:39,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:39,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:39,801 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:39,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-12-06 00:21:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:40,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:40,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:40,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:41,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-12-06 00:21:41,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:41,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:41,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:41,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:41,589 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:41,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-12-06 00:21:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:41,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:41,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:41,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:43,263 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:43,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-12-06 00:21:43,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:43,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:43,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:43,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:43,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:43,383 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:43,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-12-06 00:21:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:43,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:43,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:43,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:45,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-12-06 00:21:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:45,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:45,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:45,068 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:45,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-12-06 00:21:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:45,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:45,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:45,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:46,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-12-06 00:21:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:46,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:46,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:46,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:46,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:46,757 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:46,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-12-06 00:21:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:46,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:47,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:47,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:48,562 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:48,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-12-06 00:21:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:48,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:48,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:48,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:48,684 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:48,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-12-06 00:21:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:48,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:48,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:48,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:50,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-12-06 00:21:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:50,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:50,456 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:50,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:50,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:50,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:50,458 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:50,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-12-06 00:21:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:50,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:50,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:50,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:52,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-12-06 00:21:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:52,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:52,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:52,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:52,127 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:52,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-12-06 00:21:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:52,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:52,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:52,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:53,932 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:53,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-12-06 00:21:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:53,963 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:53,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:53,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:53,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:53,965 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:53,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-12-06 00:21:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:54,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:54,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:54,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:55,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-12-06 00:21:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:55,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:55,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:55,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:55,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:55,688 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:55,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-12-06 00:21:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:55,927 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:55,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:21:55,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:57,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-12-06 00:21:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:57,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:57,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:57,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:57,460 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:57,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-12-06 00:21:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:57,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:57,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:57,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:21:59,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-12-06 00:21:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:21:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:21:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:21:59,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:59,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:59,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:59,133 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:59,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-12-06 00:21:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:59,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:59,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:21:59,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:00,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-12-06 00:22:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:00,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:00,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:00,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:00,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:00,775 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:00,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-12-06 00:22:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:01,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:01,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:01,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:02,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-12-06 00:22:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:02,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:02,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:02,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:02,616 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:02,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-12-06 00:22:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:02,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:02,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:02,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:04,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-12-06 00:22:04,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:04,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:04,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:04,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:04,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:04,491 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:04,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-12-06 00:22:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:04,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:04,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:04,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:06,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Forceful destruction successful, exit code 0 [2024-12-06 00:22:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:06,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:06,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:06,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:06,201 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:06,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-12-06 00:22:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:06,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:06,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:06,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:07,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Forceful destruction successful, exit code 0 [2024-12-06 00:22:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:08,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:08,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:08,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:08,020 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:08,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-12-06 00:22:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:08,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:08,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:08,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:09,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Forceful destruction successful, exit code 0 [2024-12-06 00:22:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:09,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:09,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:09,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:09,956 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:09,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-12-06 00:22:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:10,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:10,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:10,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:11,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-12-06 00:22:11,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:11,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:11,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:11,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:11,900 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:11,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-12-06 00:22:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:12,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:12,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:12,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:13,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-12-06 00:22:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:13,958 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:13,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:13,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:13,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:13,960 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:13,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-12-06 00:22:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:14,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:14,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:14,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:15,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-12-06 00:22:15,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:15,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:15,915 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:15,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:15,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:15,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:15,917 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:15,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-12-06 00:22:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:16,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:16,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:16,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:17,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-12-06 00:22:17,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:17,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:17,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:17,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:17,767 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:17,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-12-06 00:22:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:18,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:18,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:18,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:19,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-12-06 00:22:19,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:19,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:19,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:19,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:19,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:19,819 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:19,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-12-06 00:22:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:20,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:20,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:20,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:21,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-12-06 00:22:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:21,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:21,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:21,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:21,503 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:21,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-12-06 00:22:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:21,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:21,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:21,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:23,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-12-06 00:22:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:23,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:23,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:23,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:23,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:23,050 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:23,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-12-06 00:22:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:23,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:23,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:23,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:24,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-12-06 00:22:24,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:24,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:24,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:24,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:24,905 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:24,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-12-06 00:22:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:25,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:25,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:25,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:26,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-12-06 00:22:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:26,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:26,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:26,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:26,591 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:26,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-12-06 00:22:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:26,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:26,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:26,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:28,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Forceful destruction successful, exit code 0 [2024-12-06 00:22:28,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:28,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:28,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:28,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:28,587 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:28,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-12-06 00:22:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:28,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:28,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:28,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:30,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-12-06 00:22:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:30,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:30,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:30,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:30,178 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:30,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-12-06 00:22:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:30,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:30,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:30,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:31,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-12-06 00:22:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:31,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:31,960 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:31,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:31,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:31,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:31,962 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:31,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-12-06 00:22:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:32,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:32,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:32,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:33,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-12-06 00:22:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:33,661 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:33,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:33,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:33,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:33,663 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:33,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-12-06 00:22:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:33,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:33,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:33,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:35,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-12-06 00:22:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:35,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:35,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:35,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:35,444 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:35,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-12-06 00:22:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:35,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:35,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:35,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:37,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-12-06 00:22:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:37,196 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:37,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:37,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:37,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:37,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:37,198 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:37,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-12-06 00:22:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:37,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:37,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:37,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:38,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-12-06 00:22:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:38,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:38,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:38,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:38,906 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:38,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-12-06 00:22:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:39,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:39,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:39,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:40,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-12-06 00:22:40,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:40,584 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:40,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:40,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:40,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:40,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:40,586 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:40,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-12-06 00:22:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:40,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:40,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:40,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:42,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-12-06 00:22:42,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:42,207 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:42,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:42,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:42,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:42,209 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:42,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-12-06 00:22:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:42,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:42,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:42,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:43,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-12-06 00:22:43,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:43,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:43,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:43,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:43,826 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:43,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-12-06 00:22:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:44,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:44,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:44,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:45,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-12-06 00:22:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:45,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:45,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:45,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:45,629 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:45,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-12-06 00:22:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:45,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:45,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:45,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:47,212 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:47,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-12-06 00:22:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:47,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:47,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:47,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:47,324 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:47,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-12-06 00:22:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:47,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:47,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:47,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:48,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-12-06 00:22:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:49,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:49,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:49,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:49,014 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:49,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-12-06 00:22:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:49,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:49,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:49,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:50,516 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:50,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-12-06 00:22:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:50,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:50,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:50,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:50,542 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:50,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-12-06 00:22:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:50,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:50,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:50,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:53,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Forceful destruction successful, exit code 0 [2024-12-06 00:22:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:53,571 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:53,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:53,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:53,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:53,573 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:53,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-12-06 00:22:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:53,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:53,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:53,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:55,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Forceful destruction successful, exit code 0 [2024-12-06 00:22:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:55,322 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:55,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:55,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:55,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:55,324 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:55,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-12-06 00:22:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:55,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:55,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:22:55,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:56,997 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:56,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-12-06 00:22:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:57,168 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:57,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:57,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:57,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:57,169 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:57,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-12-06 00:22:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:57,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:57,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:57,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:22:58,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-12-06 00:22:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:59,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:22:59,053 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:22:59,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:22:59,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:59,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:59,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:59,055 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:59,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-12-06 00:22:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:59,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:59,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:22:59,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:00,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-12-06 00:23:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:00,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:00,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:00,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:00,655 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:00,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-12-06 00:23:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:00,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:00,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:00,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:02,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-12-06 00:23:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:03,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:03,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:03,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:03,013 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:03,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-12-06 00:23:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:03,242 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:03,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:03,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:04,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-12-06 00:23:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:04,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:04,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:04,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:04,879 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:04,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-12-06 00:23:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:05,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:05,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:05,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:06,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-12-06 00:23:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:06,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:06,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:06,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:06,674 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:06,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-12-06 00:23:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:06,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:06,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:06,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:08,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-12-06 00:23:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:08,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:08,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:08,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:08,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:08,390 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:08,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-12-06 00:23:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:08,626 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:08,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:08,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:10,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-12-06 00:23:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:10,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:10,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:10,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:10,819 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:10,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-12-06 00:23:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:11,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:11,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:11,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:12,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-12-06 00:23:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:12,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:12,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:12,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:12,660 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:12,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-12-06 00:23:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:12,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:12,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:12,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:14,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-12-06 00:23:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:14,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:14,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:14,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:14,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:14,655 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:14,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-12-06 00:23:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:14,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:14,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:14,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:16,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-12-06 00:23:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:16,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:16,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:16,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:16,367 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:16,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-12-06 00:23:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:16,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:16,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:16,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:17,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-12-06 00:23:18,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:18,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:18,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:18,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:18,145 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:18,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-12-06 00:23:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:18,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:18,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:18,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:19,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-12-06 00:23:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:19,850 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:19,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:19,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:19,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:19,851 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:19,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-12-06 00:23:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:20,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:20,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:20,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:21,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-12-06 00:23:21,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:21,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:21,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:21,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:21,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:21,629 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:21,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-12-06 00:23:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:21,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:21,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:21,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:23,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-12-06 00:23:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:23,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:23,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:23,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:23,497 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:23,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-12-06 00:23:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:23,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:23,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:23,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:25,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:25,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-12-06 00:23:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:25,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:25,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:25,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:25,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:25,438 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:25,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-12-06 00:23:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:25,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:25,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:25,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:27,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-12-06 00:23:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:27,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:27,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:27,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:27,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:27,233 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:27,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-12-06 00:23:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:27,471 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:27,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:27,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:29,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Forceful destruction successful, exit code 0 [2024-12-06 00:23:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:29,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:29,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:29,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:29,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:29,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:29,280 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:29,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-12-06 00:23:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:29,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:29,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:29,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:31,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-12-06 00:23:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:31,729 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:31,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:31,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:31,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:31,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:31,730 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:31,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-12-06 00:23:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:31,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:32,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:32,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:33,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Forceful destruction successful, exit code 0 [2024-12-06 00:23:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:33,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:33,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:33,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:33,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:33,926 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:33,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-12-06 00:23:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:34,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:34,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:34,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:36,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2024-12-06 00:23:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:36,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:36,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:36,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:36,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:36,270 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:36,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-12-06 00:23:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:36,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:36,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:23:36,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:23:38,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-12-06 00:23:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:38,392 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:38,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:38,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:38,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:38,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:38,393 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:38,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-12-06 00:23:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:38,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:38,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:38,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:40,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-12-06 00:23:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:40,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:40,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:40,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:40,603 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:40,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-12-06 00:23:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:40,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:40,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:23:40,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:23:42,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-12-06 00:23:42,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:42,490 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:42,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:42,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:42,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:42,492 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:42,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-12-06 00:23:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:42,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:42,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:42,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:44,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-12-06 00:23:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 87 states and 245 transitions. [2024-12-06 00:23:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 245 transitions. [2024-12-06 00:23:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:44,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:44,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:44,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:44,033 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:44,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-12-06 00:23:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:44,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:44,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:23:44,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:23:46,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-12-06 00:23:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:47,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:23:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:23:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:47,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:47,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:47,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:47,525 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:47,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-12-06 00:23:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:47,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:47,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:47,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:49,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-12-06 00:23:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:23:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:23:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:49,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:49,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:49,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:49,325 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:49,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-12-06 00:23:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:49,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:49,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:49,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:51,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-12-06 00:23:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:51,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:23:51,378 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:23:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:51,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:51,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:51,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:51,380 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:51,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-12-06 00:23:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:51,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:51,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:23:51,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:56,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-12-06 00:23:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:23:56,143 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:23:56,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:56,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:56,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:56,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:56,144 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:56,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-12-06 00:23:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:56,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:56,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:56,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:23:58,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-12-06 00:23:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:58,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:23:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:23:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:23:58,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:58,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:58,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:58,563 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:58,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-12-06 00:23:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:58,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:58,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:23:58,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:00,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-12-06 00:24:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:00,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:00,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:00,361 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:00,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-12-06 00:24:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:00,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:00,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:24:00,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:24:02,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-12-06 00:24:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:02,274 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:02,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:02,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:02,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:02,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:02,276 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:02,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-12-06 00:24:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:02,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:02,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:02,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:03,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-12-06 00:24:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:03,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:03,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:03,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:03,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:03,968 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:03,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-12-06 00:24:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:04,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:04,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:04,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:05,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-12-06 00:24:05,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:05,749 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:05,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:05,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:05,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:05,751 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:05,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-12-06 00:24:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:05,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:06,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:06,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:07,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-12-06 00:24:07,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:07,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:07,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:07,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:07,623 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:07,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-12-06 00:24:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:07,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:07,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:07,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:10,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-12-06 00:24:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:10,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:10,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:10,547 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:10,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-12-06 00:24:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:10,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:10,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:10,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:12,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-12-06 00:24:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:12,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:12,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:12,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:12,349 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:12,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-12-06 00:24:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:12,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:12,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:12,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:14,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-12-06 00:24:15,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:15,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:15,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:15,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:15,086 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:15,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-12-06 00:24:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:15,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:15,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:15,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:16,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-12-06 00:24:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:16,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:16,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:16,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:16,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:16,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:16,758 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:16,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-12-06 00:24:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:16,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:17,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:24:17,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:24:18,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-12-06 00:24:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:18,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:18,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:18,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:18,804 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:18,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-12-06 00:24:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:19,034 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:19,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:19,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:20,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2024-12-06 00:24:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:20,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:20,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:20,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:20,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:20,549 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:20,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-12-06 00:24:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:20,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:20,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:20,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:22,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-12-06 00:24:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:22,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:22,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:22,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:22,694 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:22,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-12-06 00:24:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:22,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:22,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:22,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:24,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-12-06 00:24:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:24,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:24,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:24,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:24,461 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:24,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-12-06 00:24:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:24,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:24,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:24,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:26,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2024-12-06 00:24:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:26,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:26,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:26,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:26,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:26,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:26,231 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:26,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-12-06 00:24:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:26,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:26,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:26,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:28,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Ended with exit code 0 [2024-12-06 00:24:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:28,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:28,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:28,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:28,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:28,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:28,296 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:28,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-12-06 00:24:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:28,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:28,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:28,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:29,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Forceful destruction successful, exit code 0 [2024-12-06 00:24:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:29,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:29,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:29,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:29,955 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:29,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-12-06 00:24:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:30,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:30,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:30,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:31,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Ended with exit code 0 [2024-12-06 00:24:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:31,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:31,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:31,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:31,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:31,716 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:31,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-12-06 00:24:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:31,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:31,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:32,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:33,810 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:33,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-12-06 00:24:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:33,848 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:33,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:33,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:33,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:33,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:33,850 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:33,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-12-06 00:24:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:34,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:34,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:34,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:35,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-12-06 00:24:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:35,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:35,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:35,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:35,544 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:35,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-12-06 00:24:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:35,772 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:35,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:35,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:37,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-12-06 00:24:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:37,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:37,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:37,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:37,354 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:37,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-12-06 00:24:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:37,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:37,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:37,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:42,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Forceful destruction successful, exit code 0 [2024-12-06 00:24:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:42,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:42,157 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:42,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:42,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:42,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:42,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:42,158 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:42,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-12-06 00:24:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:42,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:42,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:42,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:43,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-12-06 00:24:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:43,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:43,871 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:43,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:43,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:43,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:43,873 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:43,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-12-06 00:24:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:44,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:44,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:24:44,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:24:45,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2024-12-06 00:24:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:45,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:45,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:45,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:45,627 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:45,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-12-06 00:24:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:45,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:45,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:45,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:47,176 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:47,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-12-06 00:24:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:47,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:47,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:47,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:47,306 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:47,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-12-06 00:24:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:47,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:47,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:47,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:49,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-12-06 00:24:49,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:49,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:49,183 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:49,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:49,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:49,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:49,185 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:49,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-12-06 00:24:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:49,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:49,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:49,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:51,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2024-12-06 00:24:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:51,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:51,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:51,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:51,786 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:51,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-12-06 00:24:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:52,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:52,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:52,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:54,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-12-06 00:24:54,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:54,242 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:54,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:54,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:54,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:54,244 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:54,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-12-06 00:24:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:54,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:54,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:24:54,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:56,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Forceful destruction successful, exit code 0 [2024-12-06 00:24:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:56,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:56,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:56,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:56,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:56,217 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:56,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-12-06 00:24:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:56,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:56,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:56,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:57,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Forceful destruction successful, exit code 0 [2024-12-06 00:24:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:58,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:58,008 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:58,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:58,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:58,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:58,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:58,010 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:58,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-12-06 00:24:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:58,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:58,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:24:58,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:24:59,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-12-06 00:24:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:24:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:24:59,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:24:59,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:59,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:59,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:59,741 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:59,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-12-06 00:24:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:59,988 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:00,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:00,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:01,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-12-06 00:25:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:01,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:01,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:01,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:01,714 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:01,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-12-06 00:25:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:01,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:01,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:01,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:03,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-12-06 00:25:03,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:03,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:03,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:03,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:03,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:03,722 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:03,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-12-06 00:25:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:03,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:04,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:04,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:05,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-12-06 00:25:05,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:05,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:05,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:05,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:05,483 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:05,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-12-06 00:25:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:05,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:05,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:05,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:07,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Forceful destruction successful, exit code 0 [2024-12-06 00:25:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:07,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:07,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:07,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:07,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:07,243 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:07,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-12-06 00:25:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:07,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:07,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:07,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:08,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-12-06 00:25:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:09,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:09,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:09,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:09,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:09,005 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:09,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-12-06 00:25:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:09,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:09,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:09,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:10,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-12-06 00:25:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:10,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:10,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:10,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:10,844 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:10,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-12-06 00:25:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:11,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:11,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:11,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:12,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-12-06 00:25:12,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:12,567 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:12,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:12,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:12,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:12,568 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:12,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-12-06 00:25:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:12,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:12,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:12,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:15,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-12-06 00:25:15,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:15,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:15,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:15,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:15,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:15,939 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:15,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-12-06 00:25:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:16,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:16,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:16,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:17,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-12-06 00:25:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:17,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:17,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:17,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:17,854 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:17,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-12-06 00:25:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:18,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:18,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:18,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:19,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-12-06 00:25:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:19,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:19,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:19,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:19,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:19,567 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:19,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-12-06 00:25:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:19,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:19,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:19,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:21,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-12-06 00:25:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:21,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:21,409 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:21,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:21,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:21,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:21,411 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:21,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-12-06 00:25:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:21,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:21,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:21,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:23,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-12-06 00:25:23,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:23,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:23,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:23,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:23,231 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:23,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-12-06 00:25:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:23,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:23,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:23,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:24,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2024-12-06 00:25:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:24,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:24,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:24,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:24,891 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:24,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-12-06 00:25:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:25,157 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:25,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:25,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:26,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-12-06 00:25:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:26,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:26,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:26,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:26,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:26,658 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:26,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-12-06 00:25:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:26,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:26,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:26,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:28,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Forceful destruction successful, exit code 0 [2024-12-06 00:25:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:28,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:28,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:28,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:28,541 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:28,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-12-06 00:25:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:28,774 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:28,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:28,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:30,098 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:30,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-12-06 00:25:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:30,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:30,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:30,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:30,214 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:30,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-12-06 00:25:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:30,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:30,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:30,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:32,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-12-06 00:25:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:32,272 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:32,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:32,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:32,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:32,273 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:32,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-12-06 00:25:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:32,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:32,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:25:32,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:25:34,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-12-06 00:25:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:34,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:34,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:34,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:34,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:34,911 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:34,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-12-06 00:25:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:35,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:35,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:35,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:37,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-12-06 00:25:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:37,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:37,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:37,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:37,335 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:37,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-12-06 00:25:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:37,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:37,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:37,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:39,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-12-06 00:25:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:39,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:39,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:39,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:39,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:39,888 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:39,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-12-06 00:25:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:40,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:40,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:40,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:41,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-12-06 00:25:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:41,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:41,730 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:41,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:41,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:41,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:41,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:41,731 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:41,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-12-06 00:25:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:42,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:42,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:42,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:43,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-12-06 00:25:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:43,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:43,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:43,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:43,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:43,783 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:43,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-12-06 00:25:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:44,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:44,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:44,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:45,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-12-06 00:25:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:45,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:45,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:45,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:45,381 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:45,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-12-06 00:25:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:45,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:45,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:45,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:47,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-12-06 00:25:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:47,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:47,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:47,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:47,343 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:47,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-12-06 00:25:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:47,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:47,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:47,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:49,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-12-06 00:25:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:49,480 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:49,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:49,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:49,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:49,481 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:49,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-12-06 00:25:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:49,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:49,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:49,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:51,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-12-06 00:25:51,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:51,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:51,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:51,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:51,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:51,240 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:51,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-12-06 00:25:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:51,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:51,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:51,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:53,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-12-06 00:25:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:53,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:53,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:53,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:53,656 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:53,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-12-06 00:25:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:53,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:53,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:53,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:55,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2024-12-06 00:25:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:55,563 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:55,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:55,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:55,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:55,564 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:55,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-12-06 00:25:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:55,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:55,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:25:55,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:57,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-12-06 00:25:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:57,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:57,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:57,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:57,437 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:57,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-12-06 00:25:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:57,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:57,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:57,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:25:58,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Forceful destruction successful, exit code 0 [2024-12-06 00:25:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:59,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:25:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:25:59,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:25:59,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:59,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:59,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:59,106 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:59,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-12-06 00:25:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:59,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:59,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:25:59,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:00,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-12-06 00:26:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:00,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:00,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:00,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:00,895 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:00,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-12-06 00:26:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:01,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:01,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:26:01,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:26:02,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-12-06 00:26:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:02,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:02,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:02,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:02,942 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:02,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-12-06 00:26:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:03,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:03,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:03,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:04,589 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:04,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-12-06 00:26:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:04,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:04,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:04,741 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:04,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-12-06 00:26:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:04,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:05,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:05,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:06,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-12-06 00:26:06,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:06,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:06,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:06,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:06,548 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:06,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-12-06 00:26:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:06,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:06,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:06,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:08,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-12-06 00:26:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:08,409 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:08,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:08,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:08,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:08,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:08,411 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:08,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-12-06 00:26:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:08,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:08,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:08,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:10,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Forceful destruction successful, exit code 0 [2024-12-06 00:26:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:10,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:10,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:10,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:10,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:10,287 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:10,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-12-06 00:26:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:10,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:10,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:10,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:11,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-12-06 00:26:12,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:12,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:12,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:12,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:12,058 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:12,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-12-06 00:26:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:12,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:12,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:12,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:13,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2024-12-06 00:26:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:13,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:13,878 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:13,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:13,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:13,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:13,880 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:13,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-12-06 00:26:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:14,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:14,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 00:26:14,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-06 00:26:16,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-12-06 00:26:16,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:16,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:16,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:16,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:16,462 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:16,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-12-06 00:26:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:16,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:16,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:16,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:18,303 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:18,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Forceful destruction successful, exit code 0 [2024-12-06 00:26:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:18,454 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:18,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:18,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:18,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:18,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:18,456 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:18,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-12-06 00:26:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:18,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:18,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:18,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:20,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2024-12-06 00:26:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:20,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:20,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:20,492 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:20,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-12-06 00:26:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:20,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:20,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:20,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:22,282 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:22,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-12-06 00:26:22,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:22,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:22,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:22,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:22,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:22,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:22,402 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:22,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-12-06 00:26:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:22,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:22,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:22,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:23,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-12-06 00:26:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:24,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:24,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:24,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:24,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:24,117 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:24,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-12-06 00:26:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:24,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:24,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:24,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:25,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2024-12-06 00:26:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:26,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:26,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:26,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:26,027 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:26,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-12-06 00:26:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:26,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:26,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:26,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:27,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2024-12-06 00:26:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:28,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:28,027 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:28,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:28,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:28,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:28,028 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:28,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-12-06 00:26:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:28,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:28,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:28,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:29,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-12-06 00:26:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:29,741 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:29,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:29,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:29,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:29,743 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:29,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-12-06 00:26:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:29,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:30,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:30,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:31,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-12-06 00:26:31,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:31,647 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:31,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:31,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:31,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:31,648 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:31,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-12-06 00:26:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:31,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:31,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:31,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:33,301 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:33,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-12-06 00:26:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:33,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:33,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:33,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:33,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:33,332 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:33,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-12-06 00:26:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:33,573 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:33,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:33,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:35,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (446)] Forceful destruction successful, exit code 0 [2024-12-06 00:26:35,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:35,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:35,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:35,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:35,043 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:35,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-12-06 00:26:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:35,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:35,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:35,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:36,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-12-06 00:26:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:36,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:36,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:36,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:36,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:36,906 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:36,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-12-06 00:26:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:37,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:37,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:37,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:38,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2024-12-06 00:26:38,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:38,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:38,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:38,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:38,633 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:38,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-12-06 00:26:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:38,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:38,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:38,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:40,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-12-06 00:26:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:40,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:40,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:40,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:40,532 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:40,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-12-06 00:26:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:40,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:40,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:40,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:42,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (450)] Forceful destruction successful, exit code 0 [2024-12-06 00:26:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:42,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:42,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:42,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:42,349 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:42,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-12-06 00:26:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:42,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:42,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:42,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:44,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-12-06 00:26:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:44,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:44,324 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:44,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:44,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:44,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:44,325 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:44,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-12-06 00:26:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:44,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:44,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 00:26:44,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:45,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2024-12-06 00:26:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:45,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:45,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:45,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:45,906 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:45,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-12-06 00:26:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:46,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:46,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:46,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:48,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2024-12-06 00:26:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:48,183 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:48,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:48,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:48,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:48,185 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:48,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-12-06 00:26:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:48,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:48,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:48,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:49,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2024-12-06 00:26:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:49,886 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:49,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:49,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:49,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:49,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:49,887 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:49,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-12-06 00:26:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:50,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:50,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:50,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:51,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2024-12-06 00:26:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:51,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:51,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:51,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:51,942 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:51,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-12-06 00:26:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:52,176 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:52,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:52,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:53,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2024-12-06 00:26:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:53,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:53,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:53,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:53,785 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:53,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-12-06 00:26:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:54,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:54,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:54,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:56,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2024-12-06 00:26:56,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:56,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:56,721 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:56,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:56,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:56,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:56,722 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:56,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-12-06 00:26:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:56,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:57,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:57,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 00:26:58,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (458)] Forceful destruction successful, exit code 0 [2024-12-06 00:26:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 89 states and 257 transitions. [2024-12-06 00:26:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 257 transitions. [2024-12-06 00:26:58,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 00:26:58,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:58,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:58,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:58,517 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:58,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582a711e-458c-4ac3-ae39-fdecb7369384/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-12-06 00:26:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:58,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:58,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:58,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:27:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.